祈使句,and / or + 陈述句
祈使句,and / or + 陈述句
一、分类举例
1. 祈使句,and + 陈述句
Go at once, and you will catch up with them. 快去,那样你就会赶上他们。
Stick to your principles, and you will win through. 坚持你的原则,就会胜利。
Compare this with that, and you will see which is better. 把这个和那个比较一下,你就可以看出哪个比较好了。
Try and exclude draughts from the room, and you will save money on your heating bills. 不让过堂风吹进房间,那就可以省一些暖气费。
2. 祈使句,or + 陈述句
Drop that gun, or I’ll shoot you. 放下枪,不然我就打死你。
Make haste, or we’ll miss the bus. 赶快,否则我们赶不上汽车了。
Turn your radio down, or you’ll wake the neighbours. 把收音机的声音调小些,不然会把邻居吵醒。
Be back before ten, or you’ll be locked out. 你必须在10点钟以前回来,否则就要被关在外面。
二、考点归纳
1. 考查祈使句句首的动词形式(用原形)。如:
______ to the left and walk straight ahead, and you will find the grocer’s.
A. To turn B. Turn C. Turned D. Turning
【分析】答案选B。因为祈使句的句首应该用动词原形。句意:向左转,笔直走,然后就能找到杂货店。
2. 考查连词and与or的选择与辨析(看前后意思或逻辑是否一致)。如:
(1) Figure the result to yourself, ______ you’ll see what I mean.
A. and B. so C. but D. or
【分析】A。因为前后意思是一致的,句意:你自己想象一下这种结果,你就会明由我的意思。
(2) Don’t try anything on with me, kid, ______ you’ll be sorry.
A. and B. so C. but D. or
【分析】A。前后两句意思不一致,句意:小毛孩子,别跟我来这一套,要不然有你后悔的。
3. 考查陈述句的谓语时态
(1) Put this cloth alongside real silk, and you ______ at once see the difference.
A. will B. do C. should D. are
【分析】A。陈述句表示将来意义,故用一般将来时。句意为:把这块料子同真丝放在一起比较,你就会立刻看出差别。
(2) Work hard, or you won't be able to finish the work ahead of time.
A. aren’t B. weren’t C. can’t be D. won’t be
【分析】D。陈述句表示将来意义,故用一般将来时。句意为:努力干吧,否则就不能提前完工。
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