1. It’s the first time that……….(從句中用現(xiàn)在完成時)

It was for the first time that………(強調(diào)句，對狀語for the first time進(jìn)行強調(diào)) It’s (high) time that……..(從句中用過去時或should do)

2. It’s the same with sb. / So it is with sb.表示某人也如此（用于前句中既有肯定又有否定或兩個不同類的謂語動詞）

3.…be about to do / be doing……when…….正要做/正在做……就在那時…….

4.A is twice / three times as +原級+as B

A is twice / three times the n. of B.

A is twice / three times +比較級+than B

5.It’s a waste of time / money doing / to do…

It’s no use / good doing………

It’s possible / probable / (un) likely that……….

It makes great / no sense to do……做某事很有/沒意義

6.There’s no use / good doing…….

There’s no sense / point (in) doing…… There is no need for sth. / to do…….

There is (no) possibility that…………（同位語從句）

7.The+比較級…….., the+比較級………越…….., 越……. 注意：前半句為從句，用一般現(xiàn)在時代替將來時；

8.    It seems / appears ( to sb. ) that sb…….在某人看來某人………

= Sb. seems / appears to be / to do / to be doing / to have done…….. It seems / looks as if……….好象/似乎……..

9. It (so) happened that sb. ……..某人碰巧……..

= Sb. happened to be / to do / to be doing / to have done…..

10. It is said / thought / believed / hoped / supposed …….that sb………

=Sb. is said to be / to do / to be doing / to have done……….(注意：這種句型里如帶動詞hope則不能變成簡單句，因為無hope sb. to do結(jié)構(gòu))