2020甘肃专升本英语备考知识点（2）

11.avoid.delay,enjoy.mind.prevent.spend

suggest.problem.difficulty.trouble.后选带-ing 的（往往不

选 having 打头的），不选带有 to 的，【例】Not having been

informed of his name.we felt a lot of trouble finding the

patient,

12.Hardly/Scarcely/Rarely had +过去分词when...+一般过去时态。

例如：【例】Hardly had the old woman opened the door when

her dog rushed outside.(=The old woman had hardly opened the

door when her dog rushed outside)

13.No sooner had+过去分词+than...+一般过去时态。【例】No sooner

had the old woman opened the door than her dog rushed

outside(=The old woman had no sooner opened the door than

her dog rushed outside)

14.would rather 或者'd rather 后面用过去时态。【例 1】I’d rather

you arrived there late.【例 2】I'd rather the book were not

returned to the library.

15.You’d better+(not)+动词原词。【例 1】You'd better leave now.

【例 2】You'd better not stay at home.

16.Why (not)+动态原形....? 【例 1】Why keep this secret?【例

2】Why not come to our dinner tonight?

17.If 后用一般现在时，逗号后面多用一般将来时（也就是"主将从

现"）。【例 1】If he studies hard.he will succeed sooner or

later.【例 2】If it will be fine tomorrow,we'll go out for

a picnic.(错)——> If is fine tomorrow.we'll go out for a

picnic(对)

18.祈使句+and/or+一般将来时。【例 1】Study hard and you'll make

progress every day.【例 2】Hurry up.or you'll be late 对

比：Ten minutes earlier(.)and you would have caught (=would

not have missed)the bus.

19.It is (high/about/already)time(that)后面用过去时态。【例

1】It is high time that we took effective measures to tackle

the problem.【例 2】It is high time that effective measures

were taken to cope with the problem,

20.题 干 中 间 有 that ， that 前 面 有

important,significant.vital.necessary.essential.obligato

ry.compulsory.imperative.natural.strange.odd.surprising,

incredible.impossible.a shame.a pity 或 no wonder,那么 that

后面如果是主动，选“（should）+动词原形”；如果是被动，选

"(should)be+过去分词"。【例 1】It is necessary that every

student in our class learn this article by heart.