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30.There was a time when…….曾經有那么一度……….

28.If only / I　 wish +從句(用過去類時態) 表示虛擬語氣, “要是…….就好了” “但愿……就好了!”

sidering + n. 或 pron. 或 that從句 / Seeing that……….考慮到/鑒于…….

Given + n. / pron作狀語,表示 “在有……的情況下” “如果有” “假定”,有時也表示”考慮到”

Seeing (that) he refused to help us, there is no reason why we should help him now.

Given good health, I hope to finish the work this year.

Given their inexperience / that they are inexperienced, they’ve done a good job.

27.every time / each time / the last time / the first time / next time +從句(名詞性短語引導一個時間狀語從句)

anywhere / everywhere +從句(相當于wherever引導的地點狀語從句)

You can go anywhere you like.

Next time you come, please bring your son along.

26. immediately / directly / instantly / the moment +從句

　on / upon + n. / doing

　No sooner had sb. done than …….(過去時)

　Hardly had sb. done　 when……..(過去時)

注意：這幾個結構都表示“一…….就”；

25. There is ./ Sb. have no doubt that………(同位語從句,that不可省略)

There is / Sb. have some doubt whether……..(同位語從句不可用if)

　Sb. doubt if / whether…….

　Sb. don’t doubt that………

23.Those who………….(從句及主句中謂語動詞用復數形式).

　Anyone who…………= Whoever………..(從句及主句中謂語動詞用單數形式)

24…….主句(一般現在時或過去時)…...when從句….(might / should do 或might / should have done) 表示”對比”,意思為 “本該……(可)而卻”,主句中為陳述語氣,從句里為虛擬語氣,如:

Why are you here when you should be in school?你本該上學的怎么在這兒?

He stopped trying when he might have succeeded .本該已成功了他卻停止努力了.

22. It won(’t) be long be fore +從句(從句中用一般現在時)不久/很久就要…….

　It was (not) long before+從句(從句中用一般過去時)不久/很久才……..

21. But for+n. / pron.,　 sb. / sth. would (not) have done…..要不是……., 某人早就……(表示虛擬語氣)=If it had not been for…..,……./ If there had not been ……., ……..

20. 疑問詞+插入語+陳述語序？

Who do you think he’ll have attend the meeting?

19.There seems / appears / happens to be / must be / can’t be / is (are, was, were) said to be / is (are, was, were) thought to be…….

表示 “.似乎有/碰巧有/一定有/不可能有/ 據說有/認為有……..”

　 介詞(如of )there being

　 want / wish / expect there to be要/希望/期待有……..

　 adj. / adv. enough for there to be…….足夠…….會有…….

注意：there being / there to be為there be的非謂語形式；It is said / thought that there is / are……=There is / was / are / were said (thought) to be……. 如：

I have never dream of there being such a good chance for me.

It won’t be cold enough for there to be a frost tonight.