题目内容
5.Peter will visit me if he ___ time.( )| A. | have | B. | having | C. | has | D. | to have |
分析 皮特若有时间就会来看我.
解答 答案:C.
if引导的条件状语从句,遵循主将从现的规则,故从句用一般现在时,主语he,故has,故答案是C.
点评 1.if从句用一般现在时,主句用一般将来时
If he runs he'll get there in time.如果他用跑的,他就会及时赶到那儿. The cat will scratch you if you pull her tail.如果你拉猫的尾巴,它就会抓你.
2..if从句用一般现在时,主句用may/might/can
If the fog gets thicker the plane may/might be diverted.如果雾在大一些,飞机可能就会改在别的机场降落.
If it stops snowing we can go out.如果雪停了,我们就可以出去.
3. if从句用一般现在时,主句用must/should
If you want to lose weight you must/should eat less bread.如果你想减肥,你必须少吃面包.
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