情態動詞
might 表示請求:
might i ask for a photograph of your baby? (比may i …更客氣一些)
can't, couldn't表示否定的推測:
she can't be serious.
a more suitable book can't be found. (it is not possible to find a more suitable book.)
he couldn't (can't) be over fifty.
should, ought to: 表示應該做的事, ought to比should口氣稍重一些.
you should (ought to) do as he says.
you shouldn't (oughtn't to) talk like that.
但這兩者間也有一些差別, 在表示責任, 義務等該做的事情時, 常用ought to, 在表示某件事宜於做時, 多用should, 在下面的句子中這兩個詞就不宜換用:
you are his father. you ought to take care of him.
we should not use too many big words in our everyday speech.
will, would
shall, should表示意願
情態動詞後接進行式, 完成式和完成進行式:
情態動詞可以和動詞的進行式構成謂語, 表示」應該正在……」, 「想必正在……」這類意思:
why should we be sitting here doing nothing?
this isn't what i ought to be doing.
she might still be thinking about the question you raised.
they must (may) be waiting for us, let』s hurry up.
they can't be using the room now.
情態動詞有時和動詞的完成形式構成謂語, 表示」應當已經……」, 「想必已經……」這類意思:
i should h**e thought of that.
they shouldn't h**e left so soon.
she must h**e arrived by now.
you needn't h**e told them that.
where can (could) he h**e gone?
he can't h**e finished the work so soon.
he may not h**e achieved all his aims. but his effort is praise-worthy.
we ought to h**e give you more help.
情態動詞間或也可以和乙個動詞的完成進行式構成謂語,表示」應當一直在……」, 「想必一直在……」這類意思:
they are sweating all over. they must h**e been working in the fields.
they may h**e been discussing the problem this morning.
you should h**e been waiting for us. why h**en't you?
she couldn't h**e been swimming all day.
由連詞that引起的主語從句: 這類主語從句在大多數情況下都放到句子後部去, 而用代詞it做形式上的主語:
that we need more equipment is quite obvious.
it is impossible that i may not able to come.
it doesn't seem likely that she will be here.
在口語中連詞that有時可以省略掉:
it's good you're so considerate.
it's a pity you missed such a fine talk.
由連線代詞或連線副詞(或whether)引起的主語從句: 這類主語從句, 也可以放到句子後部去, 前面用it做形式上的主語.
when we shall h**e our sports meet is still a question.
it is still a question when we shall h**e our sports meet.
whether he will join us won't make too much difference.
it won't make too much difference whether he will join us.
2賓語從句: 和主語從句及表語從句一樣, 賓語從句也有以上三類.
a) 連線代詞或副詞引導的從句只是在某些動詞後能用作賓語.
tell me what you want.
i just can't imagine how he could h**e done such a thing.
h**e you decided whom you are to nominate as your candidate.
能跟這類賓語從句的常見動詞有: see, say, tell, ask, answer, know, decide, find out, imagine, suggest, doubt, wonder, show, discover, discuss, understand, inform, advise等. 這種動詞後也常用whether或if引導的從與作賓語:
i don't know whether these figure are accurate.
i'm wondering if the letter is overweight.
這種從句有時前面可以有另乙個賓語:
has she informed you when they are to hold the meeting?
please advise me which book i should read first.
有時這種從句也可用作及詞的賓語:
whether that is a good solution depends on how you look at it.
he was not conscious of what an important discovery he had made.
i was curious as to what he would say next.
b) 用that引導的從句作賓語的情形最為普遍, 在很多動詞如boast, say, think, insist, wish, hope, suppose, see, believe, agree, acknowledge, admit, deny, expect, explain, confess, order, command, suspect, dream, suggest, propose, know, mean, notice, prefer, request, require, report, urge, 以及doubt的否定和疑問式後面都可以用它.
ⅹ 情態動詞:
may/might表示允許和可能:
允許: 詢問或說明一件事可不可以做.
may i trouble you with a question?
you may take this seat if you like.
he asked if he might glance through my album.
you might as well speak your mind. (比may…顯得婉轉一些)
可能: 表示一件事或許發生(或是某種情況可能會存在).
you may walk ten miles without seeing a house.
she was afraid they might not like the idea.
a bad thing might be turned to good account.
中考英語語法總複習
初三英語總複習資料 八種動詞時態，有的只要求達到理解層次，有的則要求達到熟練運用層次。至少其中五種時態包括過去進行時是要求達到熟練運用層次的，而且其考查方式肯定不會以某一時態的獨立形式出現，而是時態的綜合運用，尤其要重視各種時態之間的區別。找出它們之間的不同冠詞的用法.現以冠詞為例 was give...
大學英語四級語法精要
動詞 時態,語態,用法,省略,一致性等 1.時態 1 現在完成進行時態 h e has been ing 分詞構成 動作或狀態從過去某時開始,繼續到現在,可能繼續下去,也可能剛剛結束.i ve been writing letters for an hour.i ve been sitting in...
大學英語四級語法精要
動詞 時態,語態,用法,省略,一致性等 1.時態 1 現在完成進行時態 h e has been ing 分詞構成 動作或狀態從過去某時開始,繼續到現在,可能繼續下去,也可能剛剛結束.i ve been writing letters for an hour.i ve been sitting in...