内容正文:
第二部分语法专题制新
专题三情态动词
(自治区,兵团:5年3考)》
①河义.但不能单独作谓诗、必须动问原形共问构成谓诗
2》一般无人称和时态的变化,件have tol除外,它人称和时态的变化
基特征
③其少定形式一股在作情态动词后lnot,have to除外
④其一般疑问形式是将悄态动词提前至可首
I表能小:can,cant,cold,couldn't
②k诗求:wil,would,nmay,can,could,might,sha
情态动词
情态动问的
③表禁止:musn'L
基木州法
④表不指要:needn't
⑤表处议:should,had better
⑥表义务货任:must.have to,ought to,should
①表片定推测:must>could>may>might
情念动词
表推测
2表否定推测:can'1>may not
P命题点情态动词的基本用法
意为“一定不
You
mustn't play
(自治区,兵田:2020.33,2019.35)
mustn't
要,禁止”
football on the road.
解答基本用法类试题时,首先观察语境,看
有无涉及各个情态动词的常用句型:若没有,先
意为“应该”,表
确定各选项的含义,然后根据语境确定答案。
示要求和命令,
Teenagers should obey
should
也可以表示劝
the school rules.
情态动词
用法
例句
告或建议
表示能力,意为
Sam can speak English
We
“能,会”
shouldn't waste
well.
shouldn't
意为“不应该”
can
water.
表示请求,允许
Can I borrow your
意为“应该”,既
意为“可以”
bike?
可指有责任或
意为“不会,不
He ought to keep his
I can't give you an
ought to
有义务做某事,
can't
能”
promise.
answer now.
也可指建议或
cn的过去式,表
Lang Lang could play
劝告
示过去的能力,
the piano well when he
表示请求、许
You may sit here if
意为“能,会”
was young.
可,意为“可以”
you want
could
在疑问句中表
Could I have a cup of
may
用于祈使句,表示
示委婉地请求
tea?
祝福和祝愿,用法
May your dream come
true!
可以表示劝告
You
could ask the
和wish相似
或建议
teacher for help.
may的过去式,
could的否定
He asked if he might
He couldn't
表示请求、许
speak
might
couldn't
式,意为“不能,
可,语气比may
go home.
French fluently.
不会”
更委婉
表示主观看法
作情态动词时
You must see a doctor
Need
you leave
must
意为“必须,
need
主要用于否定
right now.
定”
soon?
句或疑问句中
08
中考新思路新疆英语精讲册
专题三情态动词
need的否定式,
P命题点2)情态动词表推测
-Must I finish my
表示“不需要”,
情态动词
用法
例句
needn't
homework now?
常用于must提
-No,you needn't.
表示非常有把
问的否定回答
握的肯定推测,
They must be very
意为“最好”,没
must
“一定,肯定”
tired after a long
有人称和数的
You had better not
(100%的可能
walk.
had better
变化,had better
smoke,
because it's
性)
not意为“最好
bad for your health.
表示把握不大的
She may come back
不要”
may
推测,“有可能,
tomorrow,but I'm not
意为“不得不”,
I have to get up early
也许”
sure.
have to
多表示客观必要
tomorrow.
“有可能,也许”
She might have gone
常用于疑问句。
might/
(20%~80%的
to the library.She
多用于第一人
Shall we go to the
shall
could
可能性),语气
likes reading books in
称,表示请求