wish, would rather (sooner), had better:
I had rather (that) you told him than I did.
I wish I had paid more attention to our pronunciation.
I wish I remembered the address.
I would rather they came tomorrow (you had gone there too).
I wish I were as strong as you.
suggest, order, demand, propose, command, request, desire, insist 等动词后的宾语从句:
She urged that he write and accept the post.
The commander ordered that all civilians (should) be evacuated.
He asked that he be given an opportunity to try.
it is desired, it is suggested, it is requested, it was ordered, itwas proposed, it is necessary, it is important, it has been decided 等结构后的主语从句中.
It will be better that we meet some other time.
It was arranged that they leave the following week
suggestion, motion, proposal, order, recommendations, plan, idea等后面的表语从句和同位语从句:
His sole requirement is (was) that thy system be adjusted.
it is time that
It is time that we went (或should go) to bed.
It is high time we (should) put an end to this controversy.
as if (though) 引起的从句:
It seems as if it was (were) spring today.
They talked (are talking) as if they had been friends for years.
He acts (acted) as if (though) he were (was) an expert.
以lest, forfear that 和 in case 引起的从句(这时谓语多用 should +动词原形):
I’ll keep a seat for you in case you should need it.
He took his raincoat with him lest it should rain.
He put his coat over the child for fear that (或lest) heshould catch cold.
以whatever,whoever, no matter what这类代词或词组引起的从句(这时, 谓语多用may加动词原形构成):
Come what may, we will go ahead.
Whatever defects he may have, he is an honest man.
I accept that he is old and frail; be that as it may, he’s still agood politician.
我承认他年老体衰, 然而尽管如此, 它仍是优秀的政治家.