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作业05 条件状语从句
条件状语从句
条件状语从句的引导词主要有if和unless,两者可转换。
在条件状语从句中,从句常用一般现在时表将来,即主将从现。
如:You will fail the exam if you don’t work hard.=You will fail the exam unless you work hard.
如果不努力学习,你考试会不及格的。
另外还要注意if 条件句的时态搭配
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。
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。
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。
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 从句用一般现在时,主句是祈使句
Have a good rest if you’re tired.
1.(2023·江苏常州·统考中考真题)As we live in a rapidly developing world, we will be left behind ________ we keep learning.
A.unless B.if C.after D.though
2.(2023·江苏宿迁·统考中考真题)Miss Xu goes jogging in Huanghe Park every morning ________ it rains.
A.unless B.till C.since D.as
3.(2023·江苏常州·校考二模)Peter’s parents complain that Peter never asks for their thoughts ________ he wants their support, especially money.
A.since B.unless C.although D.after
4.(2023·江苏常州·统考一模)Nothing will change unless much attention ________ to the situation.
A.pays B.will be paid C.is paid D.paid
5.(2023·江苏苏州·苏州高新区实验初级中学校考二模)________ you try doing something beyond what you have already mastered, you will never grow.
A.Since B.If C.Although D.Unless
6.(2023·江苏常州·校考一模)—Jim has made _______ great progress in the Physics exam that his teacher feels surprised.
—It’s hard for him to get high marks _______ he works hard enough.
A.so a; until B.such a; before C.so; while D.such; unless
7.(2023·江苏南京·统考二模)— Happiness is about having each tiny wish come true.
— That’s right. ________ we work hard, we’ll make our life full of happiness.
A.If B.Unless C.Though D.But
8.(2023·江苏南京·统考一模)You won’t