内容正文:
Unit 10
安当
同步系列
Unit 10
I've had this bike for three years.
单元语法专题
语法精讲
2.延续性动词与非延续性动词
现在完成时(三】
(1)延续性动词与非延续性动词的区别
L.现在完成附的基木用法
分类
意义
示例
现在完成时表示动作或状态从过去某一时
表示能延续的动作,
have,work.watch,
链续性
刻开始,一直延续到现在,还可能继续下去。现在
这种动作可以延续下
动词
keep,stay,wait,
去或产生持久影响
完成时常与“for十段时间”或“since-十过去的时
sleep等.
间点或从句”连用,句中谓语动词为延续性动词。
表示不能延续的动
非延续
open,buy,come.go.
作,这种动作发生后
leave,stop,close,
I have been a student for nine years,我成
性动词
一般立抑结束。
finish等,
为一名学生已经九年了
(2)延续性动词和非延续性动词的转化
I haven't played basketball since I left
university..我大学毕业后就没打过篮球。
非延续性动词
延续性动词
【拓展】for与since的用法
buy
have
borrow
单词
用法
例句
keep
“or十时间段”常和
die
be dcad
现在完成时连用,
We have waited for
leave
be away
for
表示动作持续的时
about three hours.我们
间,句中谓语动词
已经等了大约三小时。
begin/start
be on
为延续性动词,
finish/stop
be over
I've known Tom since
since十过去的时
come/go
be in/at
2016.自从201年,我就
间点
matry
be married
认识汤姆了。
have been here since
open
be open
since十一段时间
five months ago.我从5
close
be closed
十g0
个月以前就在这儿了。
fall ill
be ill
since
She has taught here
since十从句(从句用
since she left college.
fall asleep
be asleep
一般过去时,主句用
现在完成时)
从地大学毕业,她就一直
心语法专练
在这里任救。
It has been three years
一、用for或since完成句子
It has been+一段
since he left his homnctown,
1.I've known him
four years.
时间十since从句
自他高开家乡已经三
2.We've lived here
I was a child.
年了。
支点,梦想的起点
125
英语
RJ版
八年级下册
3.She's waited for him
twenty-live
A.borrow
B.have borrowed
minutes.
C.have kept
D.kept
4.They've been married
1988.
(
)11.-What do you usually do in your
5.It's been three years
I graduated
spare time?
from university.
-I often go to our community
二、单项填空
library.It
for two years in
()6.-The air here is much fresher than
order to encourage us to read more.
before
A.opens
-Exactly!We
a lot of trees
B.has opened
in the past few ycars.
C.has been opened
A.planted
B.were planting
D.has been open
C.have planted D.will plant
()l2.Millie is absent(缺席).She
for
()7.-Hey!Kate,what about your last
two days.
winter camp in Hainan?
A.has fallen ill B.has been ill
-(Oh!It
some sweet
C.fell ill
D.was ill
memories in my heart i