book4Unit 5

Lesson 34: Trains go on rails
• 1. In the 1700s, many inventors were working on the steam engine. • in the 1700s 译成：十八世纪 • ①in the 1950s 二十世纪50年代 • ②in the 1890s 十九世纪90年代
Lesson 39: Clean Cars?
• • • • • • • 1. That sounds like a fun project! sound like 听起来像 feel like + doing 想做 look like 看起来像 ①That sounds like a helicopter. ②Do you feel like going out for a walk? ③He looks like his father.
Unit 5
Go with Transportation
Байду номын сангаас
Means of Transportation
American English: Subway
British English: Underground
American English: Cab
British English: Taxi
情态动词
情态动词
• • • • • • • will 与 would 用法： 1.表示“必然性” 2.表达“意愿”或者“意志” eg①Fish will die out of water. ②I won’t go home now. ③Will you go with me?
练习
A come to see us tonight, but • 1. John ___ he isn’t very sure. • A. may B. can C. has to D. must • 2. May I take this book out of the readingroom? No, you ___. A • A. can’t B.may not C.needn’t D.aren’t B go and see a doctor because • 3. You ___ you’ve got a fever. • A. can B.must C. dare D. would
情态动词
• • • • may 与 might 用法： 1.表示“允许” 2.表示“请求”、“许可”（用于疑问 句）
情态动词
• eg①You may go home now. • ②He said that I might drink some beer. • ③May I watch TV this evening? • —Yes, you may. • —No, you can’t.
情态动词
• • • • • shall 与 should 用法： 1.表示“必要性” 2.表示“意见”或者是“看法” eg①We should be strict in all our work. • ②Where shall I wait for you? • ③Shall we start the lesson now?
练习
D play football on the • 8. The children ___ street. • A. can’t B. can C. must D. mustn't C you please pass me that • 9. Excuse me. ___ cup? • A. Do B. Should C. Would D. Must • 10. Must we do our homework first? B You may have a rest first. • —No, you ___. • A. mustn’t B. needn’t C. may not D. can’t
情态动词
• 在表示客观需要时，要用have to而不用 must。 • eg①You don’t have to worry about that. • ②He had to spend his childhood on hard work, helping his father on the farm.
Lesson 33: How can you go?
• • • • • 1. It's my favourite type of transportation. type "类型"/"种类" （指比较具体的类型） ①That machine is the lastest type. ②I saw a new type of car on the street. ③What's your blood type?
练习
• 4. Can you speak Japanese? B • —No, I ___. • A. mustn’t B. can’t C. needn’t D. may not C • 5.He ___be in the classroom, I think. • —No, he ___ be in the classroom. I saw him go home a minute ago. • A. can/ may not B. must/ may not • C. may/ can’t D. may/mustn’t
情态动词
• • • • • must 用法： 1.表达“义务”、“责任” 2.进行“肯定的推断” 3.其否定形式是mustn’t
情态动词
• eg①Everyone must obey the traffic rules. • ②You must finish the work as soon as possible. • ③You mustn’t lend the book to others.
练习
• 6.Even the top students in my class can’t work out this problem. So it B be very difficult. ___ • A. may B. must C. can D. need C • 7.He isn’t at school. I think he ___ be ill. • A. can B. shall C. must D. has to
• • • • • can 与 could 用法： 1.表示能力 2.表示许可 3.表示有礼貌的提出“请求”(用于疑 问句) • 4.谈论“可能性”
情态动词
• eg.① We can use the computer now, but we couldn’t two months ago. • ②Could you be here at eight tomorrow morning? • ③Who is knocking at the door? • It can be our father.