内容正文:
26秋外研八上英语 · 语法精讲精练
Unit 1 – Unit 6 语法专项
卧 语法单元目录
Unit 1 This is me! — 现在完成时(一)
Unit 2 Getting along — 现在完成时(二)
Unit 3 Make it happen! — 动词不定式、动名词作宾语Unit 4 Digital life — 动词不定式作宾语补足语
Unit 5 Play by the rules — 动词不定式作目的状语Unit 6 When disaster strikes — 过去进行时
(
Unit
1
This
is
me
! — 现在完成时(一)
)
囚 语法精讲
定义: 现在完成时表示过去发生的动作对现在造成的影响或结果 ,也可以表示从过去持续到现在的动作或状态。
结构: has/have + 过去分词
常用时间状语: since, for, so far, already, yet, just, recently, ever, never, twice, in the last/past few years, up to now 等。
用法详解:
① 表示过去发生的动作对现在造成的影响:
I have lost my key. (我现在进不去门了)
② 表示从过去持续到现在的动作或状态:
She has lived here for 10 years. (她现在还住在这里)
③ 表示到目前为止经历过的动作:
I have been to Shanghai twice.
already / yet / just 辨析:
• already 用于肯定句 ,放助动词和过去分词之间 ,表示“ 已经”。
• yet 用于否定句或疑问句 ,放句末 ,表示“还; 已经”。
• just 表示“刚刚” ,放助动词和过去分词之间。
have been to / have gone to / have been in 辨析:
• have been to 曾经去过(已回来)
• have gone to 已经去了(不在这里)
• have been in 待在 一段时间(常与for/since连用)
现在完成时与一般过去时的区别:
现在完成时强调对现在的影响 ,一般过去时只描述过去的事实 ,不强调影响。
I have had breakfast. (现在不饿了)
I had breakfast at 7. (仅陈述事实)
例句:
I have already finished my homework.
Have you finished your homework yet? She has just left.
I have been to Beijing twice. She has gone to the library.
They have been in China for 5 years.會 专项练习(共20题)
(
1.
I
my
bedroom.
It's so tidy
now.
A.
have cleaned
B. will clean C.
am
cleaning
D.
clean
2.
—Have you ever
to
Beijing? —No,
never.
A. gone
B.
been
C. went
D.
go
3.
She
here since
2015.
A. worked
B.
has worked C.
works
D. will work
4.
I'm sure that
I
her
be
fore.
A.
have seen
B. saw
C.
will
see
D.
is
seeing
)
学科网(北京)股份有限公司
(
5.
—We
our
homework. What about going
out? —That's
great.
A. finished
B.
have finished C. will finish
D.
are finishing
6.
—
you ever
to
Chengdu? —No,
never.
A.
Did; go
B.
Have;
been C. Are;
going
7.
I
think
he
ever
visited
th
e
island.
A. /;
hasn't
B. don't; was C.
don't;
has
D.
do
n't; will
8.
Mike's
parents are Germans,
but
he
to
Germany
so
far.
A.
never went
B.
never go C.
has
never
been
D. will
never go
9.
—Why won't you go to see the
film? —Because
I
it twice.
A. see
B. saw
C.
have
seen
D.
will
see
10.
More than
500 students
this
test
in
the
past
few year
s.
A.
have
pasted
B.
have
passed C.
passed
D.
pass
11.
So far, they
(learn)
to
speak
German,
Fren
ch
and
Chinese.
12.
I
(complete)
my
DIY
project, so
I can
go
walking
with
you.
13.
Andy
(eat
)
his
breakfast.
Now
he
is
not
hungry.
14.
The exam
is coming,
but Tom
(not write) even a word yet.
15.
Alice
has
(hide)
her diary
somewhere.
16.
They
have
(build
) four factories
in their
hometown.
17.
—
you
(have)
breakfast yet? —Yes,
I
have.
18.
We
(plan) to visit the tower,
but the
weather
stopped
us.
19.
I
(be) to
New
York
three
times
so
far.
20.
We
(learn) all the
new words.
We
need
n't
worry.
)
(
Unit
2
Getting
along
— 现在完成时(二)
)
囚 语法精讲
核心用法: 与 for + 一段时间 或 since + 过去时间点/从句 连用 ,表示动作或状态从过去持续到现在。
for 与 since 的区别:
• for + 一段时间 (for 2 years, for a long time)
• since + 过去时间点/从句 (since 2020, since I was a child)
• 两者可互相转换: I've lived here since 3 years ago. = I've lived here for 3 years.
短暂性动词 → 持续性动词(必背!):
join → be a member of / be in | buy → have | borrow → keep leave → be away (from) | die → be dead | begin/start → be on come/arrive → be in/at | marry → be married | finish → be over fall asleep → be asleep | get up → be up | open → be open
易错点警示:
x He has joined the army for 3 years. ✅ He has been in the army for 3 years. x I have bought this watch for 2 years. ✅ I have had this watch for 2 years.
例句:
He has been a member of the club for 2 years.
I have had this watch for 3 years.
I have lived here since 2020.
She has been away from home for 5 days.會 专项练习(共20题)
(
1.
Alex's grandfather
tea
culture
for ten
years.
A. studies
B. studied C.
has
studied
D.
was
studying
2.
—How
long
have you
been
in Qingdao? —
five years ago.
A. When
B. While C.
Since
D
.
For
3.
We
in t
his
company twice
since
last year.
A. worked
B.
have work C.
have worked
D. are working
4.
Lily says she
the
book
for
ten
days
and
must
return
it
today.
A.
has
borrowed
B.
borrowed C.
has
kept
D.
is
going to
borrow
5.
—Why are you
in a
hurry?
—Because the class
for
10
minutes.
A.
is on
B.
begins C.
has
been
on
D.
has
begun
)
(
6.
Daming
a
member of
the
club
for
two
years.
A. was
B.
is C. will
be
D.
has
been
7.
My sister
has
been
interested
in
painting
she was
3.
A. although
B.
because C. when
D.
since
8.
I
must
return the camera
because
I
it for
2
months.
A.
have
borrowed
B.
have
bought C.
have
lent
D.
have
kept
9.
—My
mother
Shanghai for
2
days. —Really?
A.
has
been to
B.
has gone to C.
has
be
en
in
D.
has
arrived
in
10.
—How
long
you
this
book? —For
one week.
A.
have;
kept
B.
have;
borrowed
C. do
;
keep
D. will;
keep
11.
His grandfather
has
(die)
since two years
ago.
12.
It's five years since
he
(come)
back from the
USA.
13.
I
(join) the
League
for
5 years
so
far.
14.
I
(borrow) the
magazine for two weeks.
I'll
return
it tomorrow.
15.
My grandparents
have
been
(marry) for
50
years.
16.
The shop
(open) for
t
hree years.
17.
He
(be) a
volunteer
for
two years.
18.
I
(have) t
he
smart
phone
for
6 years.
19.
Mike
(become) a worker
in
1998.
He
(work) there since
then.
20.
Since Alexander was
5,
he
(live)
in
China
with
his
parents.
)
Unit 3 Make it happen! — 动词不定式、动名词作宾语
囚 语法精讲
动词不定式 (to do) 作宾语:
常用动词:want, decide, hope, plan, learn, would like, agree, refuse, promise, offer, choose, fail, manage, afford, expect, pretend, seem等。
例: I want to be a teacher.
例 :She decided to study abroad.
动名词 (doing) 作宾语:
常用动词 :enjoy, finish, mind, practice, keep, suggest, consider, avoid, imagine, miss, admit, appreciate, delay, deny, excuse, resist, risk 等。
例: I enjoy reading books.
例 :She keeps practicing the piano.
既可接不定式也可接动名词 ,但意义不同的动词(高频考点!):
• remember to do(记得去做) / remember doing(记得做过)
• forget to do(忘记去做) / forget doing(忘记做过)
• stop to do(停下来去做) / stop doing(停止做)
• try to do(努力去做) / try doing(尝试做)
• regret to do(遗憾去做) / regret doing(后悔做过)
• mean to do(打算做) / mean doing(意味着)
例句:
I remembered to lock the door.(记得要去锁门)
I remembered locking the door.(记得锁过门)
He stopped to smoke.(停下来去抽烟)
He stopped smoking.(停止抽烟)
會 专项练习(共20题)
(
1.
My sister
hopes
a
doctor
when
she
grow
s
up.
A. to
become
B.
becoming C.
be
come
D.
became
2.
I enjoy
in the
sea
in
summer.
A. swim
B. to
swim C.
swimming
D.
swam
3.
They decided
a
new
house
near
the
lake.
A.
buy
B. to
buy C.
buying
D.
bought
4.
Would you
mind
th
e window?
It's too
hot.
A. open
B. to open
C.
opening
D.
opened
5.
She
keeps
English every
morning.
A. to
practice
B.
practice C
.
practicing
D.
practiced
)
(
6.
We are
planning
the
Great Wall
n
ext
month.
A. visit
B. to visit C. visiting
D. visited
7.
I can't
imagine
a
lone
in
a
strange
city.
A. to
live
B.
live C.
living
D.
lived
8.
She
promised
me with
my
maths.
A.
help
B. to
help C.
helping
D.
h
elped
9.
Have you finished
the
book
?
I want
to
borrow
it.
A.
read
B. to
read C.
reading
D.
reads
10.
He
refused
the truth, which
made ever
yone
angry.
A. tell
B. to tell
C.
telling
D.
told
11.
We should avoid
mistakes
in
the
exam.
A.
make
B. to
make C.
making
D.
m
ade
12.
I suggested
a
picnic
t
his weekend.
A.
have
B. to
have C.
having
D.
h
ad
13.
She
managed
the
d
ifficult
task
on
time.
A. finish
B. to finish C.
finishing
D.
finished
14.
Don't forget
the
door when
you
leave.
A.
lock
B. to
lock C.
lo
cking
D.
locked
15.
He tried
the
pr
oblem
in
a
different
way.
A. solve
B. to
solve
C.
solving
D.
solved
16.
I
plan
(travel) to
Japan
next
year.
17.
She enjoys
(listen)
to
music
in
her
free
time.
18.
He
kept
(ask) questions
until
he
understood.
19.
I can't afford
(buy) a
new car
now.
20.
We should
practice
(speak)
English as
much
as
possible.
)
(
Unit
4
Digital
life
— 动词不定式作宾语补足语
)
囚 语法精讲
动词 + 宾语 + to do(带to的不定式作宾补):
常用动词:tell, ask, want, would like, expect, allow, encourage, invite, warn, teach, order, advise, force, remind, persuade 等。
例: My mother told me to clean my room.
例 :She asked him to help her.
动词 + 宾语 + 不带to的不定式(感官动词/使役动词):
感官动词 :see, watch, hear, feel, notice, observe 等。
使役动词: make, let, have(让)等。
例: He made me laugh.
例: I saw her enter the room.
例 :She heard him sing.
特殊动词 help:
help 后可接 to do 或 do 作宾补: help s b. (to) do sth.
例 :She helped me clean the room. / She helped me to clean the room.
被动语态中的变化(高频考点!):
主动语态中不带to的不定式 ,在被动语态中要加to。
主动: He made me laugh.
被动: I was made to laugh by him.
主动: I saw him enter the room.
被动: He was seen to enter the room.會 专项练习(共20题)
(
1.
My father always tells
me
too
much
time
on
games.
A.
not spend
B.
not to spend
C.
to
not
spend
D.
don
't
spend
2.
The teacher asked
us
the
experiment
carefully.
A. do
B. to
do
C.
doing
D.
did
3.
He
made
his
little sister
with
h
im.
A.
play
B. to
play C.
playing
D
.
played
4.
I saw a
boy
into the
river
and
I
called
for
he
lp.
A. fall
B. to fall
C.
fallin
g
D.
fell
)
5. Parents should encourage their children new things. A. try B. to try C. trying D. tried
6. She didn't allow anyone her room without permission. A. enter B. to enter C. entering D. entered
7. We all felt the house when the earthquake happened. A. shake B. to shake C. shaking D. shook
8. He was warned the dangerous place alone.
A. not visit B. not to visit C. to not visit D. don't visit
9. I would like you me with my English.
A. help B. to help C. helping D. helped
10. She often helps her mother the housework.
A. do B. to do C. doing D. both A and B
11. The boss made the workers overtime every day.
A. work B. to work C. working D. worked
12. We invited Mr. Lee a speech at our school.
A. give B. to give C. giving D. gave
13. I noticed a man out of the building quickly.
A. come B. to come C. coming D. came
14. She encouraged her son the competition.
A. join B. to jo in C. joining D. joined
15. We can't allow this situation worse.
A. get B. to get C. getting D. got
16. My teacher told me (not be) late again.
17. She asked him (turn down) the music.
18. The joke made everyone (laugh) happily.
19. I saw the cat (jump) onto the table.
20. He was forced (leave) his hometown.
Unit 5 Play by the rules — 动词不定式作目的状语
囚 语法精讲
学科网(北京)股份有限公司
动词不定式 (to do) 作目的状语:
表示“为了 ” ,可放在句首或句末。放在句首时起强调作用。
例:To learn math well, you must do more exercises.
例:We came here to ask for help.
in order to do 与 so as to do:
• in order to 可放句首或句末 ,更正式。
• so as to 只能放句末 ,不能放句首。
例: In order to raise money, we held a concert.
例:We went early so as to get good seats.
否定形式(高频考点!):
• in order not to do
• so as not to do
例: I got up early so as not to miss the bus.
例: In order not to be late, he ran to school.
注意: 目的状语从句也可以用 so that / in order that 引导 ,但不定式更简洁。
例: I got up early so t hat I could catch the bus. = I got up early to catch the bus.
(
會
专项练习(共20题)
1.
She turns on
the
light
the
book
clearly.
A. to see
B.
seeing
C.
saw
D.
see
2.
—Why do you get
up
so early?
—
the
e
arly
bus.
A. To catch
B. Catching
C.
Catch
D.
C
aught
3.
Schools offer safety
programmes
students
how to
stay
safe.
A. teach
B. teaching C. to
tea
ch
D.
taught
4.
—Why do farmers
put
produ
ce online? —
it
more easily.
A. To sell
B.
Because se
lling
C.
For
selling
D.
Sell
5.
your online
accounts,
use
a
strong
password.
A.
Protect
B. To
protect C.
Protection
D.
Protect
ing
)
学科网(北京)股份有限公司
(
6.
I covered
my
nose
the
smell.
A. to
reduce
B.
reduces C.
reducing
D.
reduced
7.
get
lost
in
the
forest,
take
a
compass.
A.
In order to
B.
In order
not
to
C.
To
not
D.
So
as
to
8.
Sally studies
hard
in order to
a
good
university.
A. gets
into
B. get
into C.
got
into
D.
getting
into
9.
We should do
what
we
can
our
eyes.
A. to
protect
B.
protect C.
protecti
ng
D.
protected
10.
He studies
hard
pass the final
e
xam.
A.
in
order to
B.
so
as to
C.
both
A
a
nd
B
11.
Mary gave away the food
people
in
need.
A. to
help
B. to
helping C.
he
lped
D.
helping
12.
save energy,
we
shoul
d
take
public
transport.
A. To save
B.
Saving
C.
Save
D.
For
saving
13.
He went to the
library
b
orrow
some
books.
A. so as
to
B.
in
order
to
C.
both A
and
B
14.
I got
up
early
miss the
train.
A. so as
not to
B.
in
ord
er
not
to
C.
both
A
and
B
15.
We should do
more
(spread
)
Chinese
culture.
16.
In winter,
birds fly far away
(find)
a warm
p
lace.
17.
(save) energy, we
should
take
public transport.
18.
Let's find out what we can
do
(protect) animals.
19.
I went to the
park
(exercise).
20.
They
bought a cake
(celebrate)
our
birthday.
)
(
Unit
6
When
disaster
strikes
— 过去进行时
)
囚 语法精讲
定义: 过去进行时表示过去某一时刻或某一段时间内正在进行的动作 ,意为“那时正在 ”。
结构: was/were + 动词-ing形式
常用时间状语: at 2:00 yesterday, at this time yesterday, at that time, at that moment, then, from 8 to 10 yesterday morning, while / when 从句等。
when, while, as 的用法辨析(必背!):
• when 既可指时间点也可指时间段 ,从句动词可以是瞬间动词也可以是延续性动词。
• while 只指时间段 ,从句动词必须是延续性动词。
• as 既可指时间点也可指时间段 ,强调“一边 一边 ”或“随着”。
过去进行时与一般过去时的搭配(高频考点!):
• 长动作(过去进行时) + 短动作(一般过去时)
I was reading when he came in.
• 两个长动作同时进行(过去进行时 + while + 过去进行时)
While I was reading, she was writing.
• 强调一个动作正在进行时另一个动作突然发生
I was walking in the street when he called me.
例句:
I was doing my homework when my mother came in. We were watching TV at 8 last night.
While we were having dinner, it began to rain.會 专项练习(共20题)
(
1.
When
I saw
Daniel yesterday,
he
an
old
man
cross
the
road.
A.
helps
B. was
helping C. will
he
lp
D.
is
helping
2.
While we
an
Englis
h
song,
some visitors
came
in.
A. were singing
B. sang
C.
are
singi
ng
D.
sings
3.
—I didn't see you at
5 yesterday. —I
singing for the
ceremony.
A. will
practise
B.
have
practised C. am
practising
D. was
practising
4.
When
I
,
my
mobile
phone
ran
g.
A. work
B. am working C. worked
D. was
working
5.
—I went to see you
but you were
not
in. —Oh,
I
a film.
A. saw
B. will see
C.
am
seei
ng
D.
was
seeing
)
(
6.
I'm sorry
I didn't
answer
because
I
music.
A.
listen to
B.
listening to C. was
listening to
D. am
listening
to
7.
I
my
home
work when
my
mother
came
in.
A.
is
doing
B. was doing C.
were
doing
D.
am
d
oing
8.
—Why didn't you answer? —Sorry.
I
a
shower.
A. took
B. am taking
C.
was
taking
9.
—What
you
at
8
last
night? —I was
watching
TV.
A. do
; do
B. did;
do
C.
were;
doing
D.
are;
doing
10.
He was
reading a
newspaper
I was
doing
homework.
A. as
soon
as
B. while
C.
until
11.
—Why weren't you
in the
room at
1
0? —I
(talk)
with
my
grandma.
12.
When
Mum came
home,
Danny
(play) the
piano.
13.
We
(watch)
TV while
my
mother
(read) at this time
last
night.
14.
Mr
Smith
(giv
e) a
report
between 8
and
9 yesterday.
15.
I
(do)
my
homework when the doorbell
(ring).
16.
We
(discuss) the
plan when you
called
us.
17.
Jim
(chat) on
the
Internet while
Mom was
cooking.
18.
We
(have) dinner
when
it
began
to
snow.
19.
I
(mop)
up the water at
this
time
yesterday.
20.
When
I got
home,
my
pet dog
(lie)
on
the
floor.
)
圓 参考答案
Unit 1
1-10: A B B A B / B C C C B
11. have learned 12. have completed
13. has eaten 14. hasn't written 15. hidden
16. built 17. Have; had 18. planned
19. have been 20. have learned
Unit 2
1-10: C C C C C / D D D C A
11. been dead 12. came 13. have been in 14. have kept 15. married
16. has been open 17. has been 18. have had 19. became; has worked
20. has lived
Unit 3
1-15: A C B C C / B C B C B / C C B B C
16. to travel 17. listening 18. asking
19. to buy 20. speaking
Unit 4
1-15: B B A A B / B A B B D / A B A B B
16. not to be 17. to turn down 18. laugh 19. jump 20. to leave
Unit 5
1-14: A A C A B / A B B A C / A A C C
15. to spread 16. to find 17. To save
18. to protect 19. to exercise 20. to celebrate
Unit 6
1-10: B A D D D / C B C C B
11. was talking 12. was playing 13. were watching; was reading 14. was giving
15. was doing; rang 16. were
discussing 17. was chatting 18. were having 19. was mopping 20. was
lying
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