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1、Section Grammarneed 的用法的用法 语 境 自 主 领 悟 先观察原句后自主感悟 1. .In addition, you need to know how long you should stay, and when you have to leave. 2. .You needn t worry about situations like these if you have good social skills. 3. .In some countries, for example, you have to arrive on time at a party; in ot
2、her countries, you dont need to. 4. .My American friend Tom spoke good Chinese, so I didn t need to translate the speech for him. 5. .I was the first to go there.I needn t have gone there so early. 1. .句 1、 句 3 和句 4 中的 need 为实义动 词， 后接动词时需加不定式符号 to； 句 2 和句 5 中的 need 为情态动词。 2. .句 4 中 didnt need to do
3、表示“过去 没必要做，实际上也没做某事” ；句 5 中 neednt have done 表示“过去没必要 做，实际上却做了某事” 。 一、need 的基本用法 1用作实义动词，后可接名词、代词、不定式和动名词，有时态、人称和数 的变化。 My father needs three men to help him. 我的父亲需要三个人帮助他。 The doctor said he needed an operation. 医生说他需要手术。 You don t need to worry about me. 你不必为我担心。 名师点津 当 need 的主语与 need 后面的动词是动宾关系时，
4、 动名词的主动形式表示被动 含义，即 need doing 相当于 need to be done。 The room needs cleaning/to be cleaned, , but I only have time on Sunday. 房间需要打扫，但我只有周日有空。 2用作情态动词，后接动词原形，常用于否定句和疑问句中。 You needn t finish that work today. 你今天不必把那项工作做完。 Need he do his homework first? 他需要先做作业吗？ 3由 need 引起的一般疑问句中，肯定回答用 must 或 have to，否
5、定回答用 neednt 或 dont have to。 Need I answer the question? 我需要回答那个问题吗？ Yes, you must(have to)/No, you needn t(don t have to) 是的，你必须回答。/不，不必了。 即时训练 1 完成句子 He is only a meter tall, so he doesnt need(不需要) a ticket. We need to make sure(需要确保) that our plan will be well carried out. You neednt/dont need to
6、water the flowers(没必要浇花) because its going to rain. 二、didn t need to do 与 needn t have done didnt need to do 表示“过去没必要做某事，实际上也没做” ；而 neednt have done 则表示“本不必做某事，但实际上已经做了” 。 I didn t need to go to school this Sunday, so I didnt get up until 9 am. 我这个星期天不必上学，因此我直到早上九点才起床。(我不必上学，也没去 学校) Its quite warm t
7、oday.You needn t have worn your coat. 今天很暖和，你本不必穿大衣的。(你本不必穿大衣，但却穿了) 即时训练 2 完成句子 You neednt have hurried(不必这么匆忙)，there is plenty of time. I didnt need to go to the office(不必去办公室) yesterday so I wanted shopping with my mother. .单句语法填空 1He needs(need) to win this game to stay in the match. 2The shirt n
8、eeds washing/to_be_washed(wash) 3Its obvious that the garden needs watering/to be watered(water) 4What a pity! You could have entered free you neednt have bought(buy) a ticket. 5Dr.Smith said that he needed(need) no payment for his work. 6We dont need to get(get) into an argument over this. 7 She sp
9、oke good English， so I didnt need to translate(translate) the conversation for her. 8You neednt have written(write) such a long article.Three hundred words are enough. 9It was Sunday，so my eightyearold son didnt need to go(go) to school. 10She has been waiting here for nearly an hour.She neednt have
10、 arrived(arrive) so early. .单句改错 1The house badly need a coat of paint.needneeds 2He was studying at school, so he didnt need serve in the army.serve 前加 to 3 I love the weekend, because I neednt to get up early on Saturdays and Sundays. 去掉 to 4Need I pay a certain amount of money to use your telepho
11、ne? Yes, you need.第二个 needmust 5I didnt need take a taxi to the airport last Friday because my father sent me there using his car.need 后加 to 6You neednt come here in person; a letter would have been e 前加 have 7We mustnt have bought so much food now that Suzie wont be with us for dinner.mustntneednt 8I got to the meeting room at 10 oclock, but there was no one so I couldnt have arrived so early.couldntneednt 9I didnt need go to the bank after allMary lent me the money.need 后加 to 10I neednt put forward my idea to my manager，because he told me that he had had a better one.put 前加 have