2015年GCT考试英语语法串讲之情态动词
重要考点1 情态动词+have+done
Must do/must have done 肯定句中表推测(90%)
Can/could not do /haven done否定句中表推测
Should have done 本该做却没做
Shouldn’t have done本不该做却做了
Needn’t have done没必要做却做了
Could have done本可以做却没做
Wouldn’t have done sth本来不会
Would have done sth本来会
I could have arrived a little earlier, but I met a friend of mine on the
way.
The children must have got terrified in last night’s earthquake.
You should have put the milk in the ice-box; I except it had become
undrinkable by now.
You needn’t have told her again because she has a good memory.
Let’s go to class together, shall we?
2 情态动词+be +doing表示应当正在….、想必/一定正在…、可能/也许正在..; 情态动词+have been doing,表示应当一直在…;
想必一定在…
He shouldn’t be watching TV now. It’s time for class.
He said he could drink a bottle of whisky. He must be joking.
The president of our company isn’t here. He may be interviewing candidates
for the post of sales manager at the moment.
They must have been working on their thesis.
倒装结构
1. 部分倒装和全部倒装
部分倒装：助动词或情态动词提前
全部倒装：整个谓语部分提前
重要考点
1 so (neither, nor)+be(助动词，情态动词)+主语
I like coffee; so does my sister.
I didn’t attend class yesterday; nor/neither did Mary.
“Jim is a good-swimmer.”
“So he is.”
2. 具有否定意义的词或短语位于句首，一般部分倒装。(not, never, seldom, hardly, rarely, scarcely, by
no means, under no circumstance, in no way, at no time, no sooner…than,
hardly…when, not only…but also等
Not only did he advise me what to do, but he also lent me the money.
Seldom does she do anything important without asking.
带情态动词的谓语倒装
Under no circumstance will I do such a thing.
带完成时的倒装只将have/has/had提前
No sooner had she got into the house than she realized that someone was in
the bedroom.
Hardly had I entered the classroom when the class began.
3 only, so, often等表示程度或频率的副词置于句首时需要倒装。
Only by working hard can you succeed.
So great was the destruction that the south took decade to recovery.
Often does he warn us not to touch the poisonous chemical.
4 当there, here, then, now 等副词位于句首，且谓语动词表示移动(如come, go, ran,
be)等，主谓全部倒装。意欲引起注意。
Here comes the bus.
Here are some letters for you.
注意：主语为代词时不倒装
Here we are.
Here he comes.
5. Out, in , down, away,up, bang 等方位或拟声词位于句首时，倒装后形象生动。主语为代词时不倒装。
Away flew the bird.
Down fell the rain.
Bang goes my ace.
Away she went.
6. 谓语动词为come, sit, lie, stand, be, sink等不及物动词，可将状语置于句首，主谓倒装。
At the foot of the mountain stands a temple.
In front of the window stood a large, comfortable armchair.
7 虚拟句中省略if的从句中，可将had/should/were 提前形成倒装
Should he call me this afternoon, tell him that I will be at home from
eight.
Had I known what was going to happen, I would never had done it.
8 固定句型倒装
形容词/名词+as+正常语序
Wealthy as he is, I don’t envy him.
Child as he is, he can speak several languages.
Prominent as he is in his field, he remains easy-going.
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