sx是什么意思四川省岳池县第一中学高中英语Module1SmallTalk(Period2)导学案外研版选修6

2021年1月13日发(作者：季观之)
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Period 2 Grammar
Didn’t need to do & needn’t have done
课前预习
使用说明与学法指导：阅读学案上语法部分，完成学案自主学习部分
1. Compare the difference between didn’t need to do and needn’t have done in each
sentence.
John went to the station with the car to meet Mary, so she didn’t need to walk
back home.
John went to the station with the car to meet Mary, so she needn’t have walked back
home.
’t need to do &needn’t have done的用法
相同点是：两者都表示过去时间内不必做一件事。
不相同点是： didn’t need to表示那件事不必做而且结果也是那件事的确没有做；而needn’
t have done表示虽然那件事不必做但结果是已经做了。
我的疑问
课内探究：(见情景导学语法部分)
课后反思:


课后训练：1.完成下列的练习
1) The weather turned out to be fine yesterday. I ____ the trouble to carry my
umbrella with me.
A. should have taken B. could have taken
C. needn’t have taken D. mustn’t have taken
2) As you worked late yesterday, you____ have come this morning.
A. mayn’t B. can’t C. mustn’t D. needn’t
3） — Did you return Fred’s call?
— I didn’t need to ____ I’ll see him tomorrow.
A. though B. unless C. when D. because
4） Mark _______ have hurried. After driving at top speed, he arrived half
an hour early.
A. needn’t B. wouldn’t C. mustn’t D. couldn’t
5） We_____ have bought so much food now that Suzie won’t be with us for
dinner.
A. may not B. needn’t C. can’t D. mustn’t
6） It’s quite warm here; we ______ turn the heating on yet.
A. couldn’t B. mustn’t C. needn’t D. wouldn’t
7） I _____ use a clock to wake me up because at six o’clock each morning
the train comes by my house.
A. couldn’t B. mustn’t C. shouldn’t D. needn’t
翻译下列句子
8）我丢失的自行车找到了，因此我没必要再买一辆新的。
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