2018_2019学年高中英语Module1SmallTalkSectionⅢGrammar—need的用法教案外研版.docx

Section Grammarneed的用法语法初识原句感知自主探究In some countries, for example, you have to arrive on time at a party; in other countries, you dont need to (不必)My friend spoke good Mandarin, so I didnt need to translate (没必要翻译) the speech for him.Some hosts expect flowers or a small gift, but in other places, you can take things, but you neednt (不必)if you dont want to.I got to the party at 6 pm. but there was no one there, so I neednt have arrived (本不必到达) so early.1.句中的need为实义动词，句中的need为情态动词。2句中 didnt_need_to_do表示“过去没必要，实际上也没做某事”；句中neednt_have_done表示“过去虽然没必要，但已经做了某事”。语法剖析语法点一need的用法1用作实义动词(1) 有人称和数的变化，其第三人称单数形式为needs，变为否定句或疑问句时要用助动词do/does/did。(2)后跟名词、代词、不定式或动名词作宾语，当need的主语与need后面的动词之间是被动关系时，need后面接不定式的被动形式或动名词的主动形式。You dont need to worry about me.你不必担心我。The room needs cleaning/to be cleaned, but I only have time on Sunday.房间需要打扫，但是我只有星期天有空。2用作情态动词(1)need表示“需要”或“必须”，通常用于否定句和疑问句。You neednt do it again.你不必再做了。Need he do his homework first?他需要先做作业吗？(2)由must引起的一般疑问句中，否定答语可用neednt, 意为“没必要”。Must I do the work now?No, you neednt.我现在必须做这项工作吗？不，你不必。(3)在need引起的一般疑问句中，肯定回答用must，否定回答用neednt。Need I go there too?Yes, you must./No, you neednt.我也需要去那儿吗？是的，你必须去。/不，你不必去。集中演练111.单句改错The house badly need a coat of paint.needneedsHe was studying at school, so he didnt need serve in the army. serve前加toMust I tell Mary about it?No, you mustnt. Ive told her already. mustntneedntNeed I pay a certain amount of money to use your telephone?Yes, you need.needmust12.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_water_the_flowers (没必要浇花) because its going to rain.There is something wrong with my bike, so it needs_repairing/to_be_repaired (需要修理)Must we hand in our exercise today? No, you neednt (不必). You can hand it in tomorrow.语法点二didnt need to do与neednt have done的区别1.didnt need to do表示“过去没必要做某事，实际上也没做”。You didnt need to buy the book; it was complex to understand.你不必买那本书；它太复杂了，很难懂。Marys boyfriend drove to pick her up, so she didnt need to take a taxi.玛丽的男朋友开车去接她，因此她没必要打出租车了。2neednt have done表示“过去没必要做某事，而实际上做了”。You neednt have washed those clothes; we have a washing machine to do that sort of thing.你本不必洗那些衣服的，我们有台洗衣机可以洗衣服。I neednt have cooked so much food, but I didnt know nobody was hungry.我本没必要弄那么多吃的，但我当时不知道谁也不饿。名师点津didnt need to do sth.仅仅陈述过去的情形；neednt have done sth.含有惋惜、遗憾、后悔等含义。集中演练221.单句改错I didnt need take a taxi to the airport last Friday because my father sent me there using his car. need后加toYou neednt come here in person; a letter would have been e前加haveI got to the meeting room at 10 oclock, but there was no one there, so I couldnt have arrived so early. couldntneednt22.完成句子You neednt_have_hurried (本不必这么匆忙). There is plenty of time.He didnt_need_to_get_up_early (没必要早起), so he stayed in bed until 10 oclock.My friend sent me the book, so I didnt_need_to_write_to_him (没必要给他写信) to ask for it.I dressed very warmly for the trip, but I neednt_have_done_so (本没必要这么做) because it was very hot.链接高考完成句子1(2017天津高考)我的房间里乱糟糟的，不过我今天晚上出门之前没必要打扫，我可以(明天)上午再打扫。My room is a mess, but I neednt/dont_need_to_clean it before I go out tonight. I can do it in the morning.2(2016北京高考)我喜欢周末，因为周六周日我不必早起。I love the weekend, because I neednt/dont_need_to_get_up_early on Saturdays and Sundays.3(2015天津高考)来新学校前我本没有必要担心的，因为这里的同学都对我很友好。I neednt_have_worried before I came to the new school, for my classmates here are very friendly to me.4(2014重庆高考)我已经订了一些比萨饼，所以当我们到家疲惫时就不必担心做饭的事了。Ive ordered some pizza, so we neednt/dont_need_to_worry_about cooking when we get home tired.5(2012江西高考)既然苏西不和我们一起吃饭，我们没必要买如此多的食物。We neednt_have_bought so much food now that Suzie wont be with us for dinner.6(2012湖南高考)我们已经有了一个良好的开端，但要想获得最后的成功，下一步还需要做更多的工作。Weve had a good start, but next, more work needs_doing/to_be_done to achieve the final success.针对演练.单句语法填空1It was Sunday, so my eightyearold son didnt need to_go (go) to school.2She has been waiting here for nearly an hour. She neednt have_arrived (arrive) so early.3I didnt need to_clean (clean) the window, because my sister had already cleaned it. 4The classes were canceled due to the terrible typhoon, so the students didnt need to_go (go) to school.5You neednt have_written (write) such a long article. Three hundred words are enough.6Thank you very much for cleaning the house, but you neednt have_done (do) it, because I can manage it by myself.7You dont need to_tell (tell) us what youre thinking at each step.8Mark needs (need) to learn Chinese because his company is opening a branch in Beijing.9To be a winner, you need to_give (give) all you have and try your best.10The grass has grown so tall that it needs cutting/to_be_cut (cut).完成句子1你本来没必要那么匆忙地赶到公司，因为会议已经取消了。You neednt_have_gone to the company in a hurry, because the meeting has been called off.2父亲把文件寄来了，所以我不必为此给他写信了。Father sent me the document, so I dont_need_to_write to him for it.3不需要用闹钟来叫醒我，因为每天早晨六点钟，火车就从我家附近经过。I neednt/dont_need_to_use a clock to wake me up because at six oclock each morning the train comes by my house.4如果你不想告诉我，可以什么也不说。You neednt/dont_need_to_tell me anything if you dont want to.5我不必担心我的周末，我总是在周末来临前就计划好了。I neednt/dont_need_to_worry_about my weekend I always have my plans ready before it comes.短文改错Mr. Johnson is a hardworking teacher. Every day, he spends too much time with his work. With little sleep and hardly any break, so he works from morning till night. Hard work have made him very ill.“He has ruined his healthy. We are worried about him.”That is which other teachers say. Yesterday afternoon, I paid visit to Mr. Johnson. I was eager to see him, but outside her room I stopped. I had to calm myself down. Qu