注意if 条件句的时态搭配 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. 如果他跑,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; 4．if从句用一般现在时,主句用一般现在时 If you heat ice, it turns to water. 也可用will turn如果把冰加热,它就会化成水; 5．if从句用现在进行时,主句用一般将来时 If you are looking for Peter ,you’ll find him upstairs. 如果你是在找彼得,上楼就会找到他; 6．if从句用现在完成时,主句用一般将来时 If you have finished dinner ,I’ll ask the waiter for the bill. 如果你吃完了,我就叫服务生来算账 本文来源：https://www.wddqw.com/doc/350c6f48b7daa58da0116c175f0e7cd1842518c7.html