情态动词重点和难点解析(四)
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十、你知道need的这些用法吗 I got up early, but I ______ so, because I had no work to do that morning. A. needn’t do B. needn’t have done C. didn’t need do D. didn’t need to do 此题应选B。为了弄清此题, 首先我们要知道need有情态动词和实义动词两种用法。一般说来, 这两种用法在意思上没有什么差别, 只是用法差别较大: 他必须去那儿吗? 正:Need he go there? (need为情态动词) 正:Does he need to go there? (need为实义动词) 但有时候两种用法在意思上也有较大差别: 1. a. He needn’t be told. 没有必要告诉他。 b. He doesn’t need to be told. 不需要告诉他了。 (即:他已知道了) 2. didn’t need to do / needn’t have done:前者表示因为没有做某事的必要, 所以没有去做;后者表示某事已经做了, 但后来觉得没有必要去做, 含有责备或遗憾之味: I didn’t need to get up early this morning, so I stayed in bed until 9 a. m. 今天早上我不必早起, 所以我一直睡到上午9点才起床。 That computer was expensive, and what’s more, I didn’t need to buy such a good one. 那台电脑很贵, 况且我也没有必要买那样好一台电脑。 I was the first to get there. I needn’t have gone there so early. 我是第一个到那儿的人, 我本来不必去那么早的。 十一、情态动词后何时接一般式, 何时接完成式 The plant is dead. I ______ it more water. A. should give B. should have given C. must give D. must have given 此题应选 B。从句意上看, 植物既然已死了, 那么后句的意思应该是:本来应该多浇水, 但却没有多浇水(这是一种遗憾), 所以只能选B。 谈论现在的情况, 情态动词后接动词原形:谈论已经发生的情况或本来应该发生但却没有发生的情况等, 情态动词后要接动词的完成式。请做以下各题: 1. Jenny ____ have kept her word, I wonder why she changed her mind. A. must B. should C. need D. would 2. We ____ last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study 3. He should not ____ me your secret, but he meant no harm. A. have told B. tell C. be telling D. having told 4. I told Sally how to get here, but perhaps I____ it out for her. A. had to write B. must have written C. should have written D. ought to write 答案:1. B 2. C 3. A 4. C 如果想要咨询相关课程内容可以拨打免费电话:400-820-5040!或者直接访问查看我们相关课程详情页面:上海高中英语培训 |
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