學人教版必修3Unit 1Festivals around the worldPeriod4Grammar學案設計（10頁word版）.docx

2018學年度人教版必修3unit 1festivals around the worldperiod4grammar學案設計學習目標1.to master the usage of modal verbs,such as can,may,must,should,shall,etc.2.to learn to use modal verbs in real situations through practice.學習過程.情態(tài)動詞的定義用來表示說話人的某種感情或語氣,對某一動作或狀態(tài)的看法、態(tài)度,即說話人認為某事“可能”“或許”“應該”或是“必須”等意義。.情態(tài)動詞的特點(1)情態(tài)動詞本身不能單獨作謂語,其后加動詞原形。(2)情態(tài)動詞沒有人稱和數(shù)的變化,只用在一般現(xiàn)在時和一般過去時中(have to除外),情態(tài)動詞的現(xiàn)在式可以表示現(xiàn)在和將來;過去式除了表示過去外,還可用于表示較為委婉的語氣,例如:could,would等。.情態(tài)動詞can/could,be able to,may/might,will/would,shall/should,must,have to的意義和用法學習建議:根據(jù)所列例句,理解并嘗試總結情態(tài)動詞的基本用法。1.can和could (1)he can speak both english and french.他會說英語和法語。(2)could/can you tell me how to get to the zoo?你能告訴我怎么去動物園嗎?(3)electricity can be dangerous sometimes if used wrongly.用電錯誤,有時可能會很危險。(4)where can/could they have gone?他們可能去哪兒呢?(5)how could you do such a silly thing?你怎么能做這樣的傻事?注意:can與be able to的區(qū)別(1)no one could/was able to answer the question.沒人能回答這個問題。(2)the fire spread quickly,but everyone was able to escape.火勢迅速蔓延,但大家都逃了出來。can/could所表示的各種含義(1)(2)(3)(4)(5)(6)can 與be able to的區(qū)別2.may和might(1)may/can/could/might i have a talk with you?我可以和你談談嗎?(2)your maths teacher may/might be in his office.你的數(shù)學老師可能在他的辦公室。(3)may you succeed.祝你成功。(4)you may as well go to see the doctor.你最好去看醫(yī)生。may/might所表示的各種含義(1)(2)(3)3.will和would(1)will you share your happiness with us?你可以把你的快樂與我們共享嗎?(2)if you will come to the party,well be very happy.如果你愿意來參加聚會,我們將非常高興。(3)he would be nervous when he met strangers.遇見陌生人時,他總是很緊張。will和would所表示的各種含義(1)(2)(3)4.shall和should(1)shall i carry it for you?我來幫你搬好嗎?(2)he shall have the book when i finish reading.我看完這本書就給他看。(允諾)(3)you shouldnt have entered the teachers office without permission.未經允許,你們不應該進教師的辦公室。(4)if the car should break down on the way,you would have to walk back.萬一汽車中途拋錨,你就得走回來。shall的用法(1)(2)(3) shouldnt have done(4)should5.must和have to (1)he has to pass an examination before he can start work.他必須考試及格,才能開始工作。(2)must i return the book today?我今天就要還書嗎?yes,you must.是的,你必須還。(no,you neednt/dont have to不,你不必。)(3)the street is wet.it must have rained last night.街道是濕的,昨晚肯定下過雨。(4)the machine must break down at this busy hour.正忙的時候機器偏偏壞了。(1)由前兩個例句可知,must 與have to 的區(qū)別(2)問句回答中注意(3)最后兩個例句中must 表示情態(tài)動詞記憶口訣:情態(tài)動詞兩要點:動詞原形跟后面,說話語氣較委婉。can“能力”may“許可”,must“責任”或“義務”,否定回答“neednt”換;should“應該”,would“愿”,have to“被迫”表客觀。課后提升挑戰(zhàn)一小試牛刀1. i come in and have a talk with you?我可以進來和你談談嗎?2.(shall/will)they wait outside?讓他們在外面等嗎?3.the boys shouldnt be (play)football.they should be at school.這些男孩子不應該在踢足球,他們應該在上課。4.must i finish the task?.(不,你沒必要)5.im going to europe on vacation together with john if i find the money.6.this dish is really delicious. you please say it in chinese?sure,we call it “doufu”.7.if you go,at least wait until the storm is over.8.when you cross the street,you be careful with the passing cars.9.may i take this seat?yes,you .挑戰(zhàn)二典題在線1.liza well not want to go on the trip.she hates traveling.a.willb.canc.mustd.may2.what are you doing this saturday?im not sure,but i go to the rolling stones concert.a.mustb.couldc.shouldd.might 3.one of our rules is that every student wear school uniform while at school.a.mightb.couldc.shalld.will 4. you interrupt now?cant you see im on the phone?sorry sir,but its urgent.a.canb.shouldc.mustd.would 5.can i borrow your car,mum?if you .a.mustb.canc.willd.may6.since nobody gave him any help,he have done the research on his own.a.canb.mustc.wouldd.need7.no one be more generous;he has a heart of gold.a.couldb.mustc.dared.need8.it be the vocabulary that caused you the problem in the exercise because you know a lot of words.a.mayb.couldntc.shouldd.neednt9.whats the name?khulaifi. i spell it for you?a.shallb.wouldc.cand.might10.i think i will give bob a ring.you .you havent been in touch with him for ages.a.willb.mayc.cand.should 課后作業(yè)1.master what you have learned today.2.correct the mistaken exercises in the paper.參考答案學習過程.1.【歸納總結】(1)表示能力、功能,意為“能,會”。(2)表示請求、允許、許可。(3)表示“有時會”。(4)表示推測。(5)表示驚異、懷疑、猜測或不相信等態(tài)度,主要用于否定句和疑問句中。(6)當敘述過去經過一番努力才能完成的事情時,只能用be able to。2.【歸納總結】(1)表示請求、許可,常譯為“可以”。(2)表示推測,可譯為“可能,也許”。may表示推測,一般不用于疑問句中。一般情況下,might表示可能性很小。(3)有時可用于祈使句,表示祝愿(不用might)。3.【歸納總結】(1)will和would可用于第二人稱疑問句,表示請求和建議等。would比will更委婉、客氣。(2)will和would可表示意志、允諾、愿望和決心,用于各種人稱的陳述句中。(3)will和would可表示某種傾向或習慣性動作。will表示現(xiàn)在的習慣性動作,would表示過去的習慣性動作。4.【歸納總結】(1)shall用作情態(tài)動詞,用于第一、三人稱疑問句中,表示說話人征求對方的意見或請求。(2)shall用于第二、三人稱陳述句中,表示說話人的意愿,有允諾、警告、命令、決心、強制等意思。通常譯為“必須”“應該”或“可以”。(3)表示對現(xiàn)在或以前的動作的責怪、批評(不應該做的事卻做了)。(4)表示語氣較強的假設(用于對將來情況的假設),意為“萬一”。5.【歸納總結】(1)must用于表示說話人的主觀看法,“必須”或“應當”。have to用于表示客觀情況“不得不”。(2)在回答由must提出的問