Friendship between adults (brotherly friendship)。you mustn’t. A。必须动词原形一起构成谓语动词。将情态动词置于主语之前即构成其疑问式。在情态动词之后加not既构成其否定式。1.can和could (could为can的过去式) (1)表示能力。
重庆大学版必修3Tag内容描述：
1、Unit 1 Friends and Friendship,1. Look at the following pictures and work with your partner to describe the friendship shown in each one.,Friendship between adults (brotherly friendship),sisterly friendship,Friendship between mankind and animals,Friendship between animals,2. Read the following sentences and guess the meaning of each colored word through the context.,If something unpleasant eases, it is reduced in degree.,减轻,2) If a room or something such as a seat is occupied, someone is using 。
2、Grammar,Modal Verbs () must, may, should, will, have to,Studying the Rule,1) A: Its hot, isnt it? B: Yeah, but it may rain tomorrow. 2) A: May I sit on this chair? B: No, you mustnt. A: Why not? B: Because it is broken.,3) A: The flight to New York should be leaving in a few minutes. B: Are you sure? 4) A: Sally, you should be careful when you go out at night. B: OK, I will.,5) A: I have just walked 5 kilometers! B: You must be very tired now. 6) A: Will you give this to Elle, please? B: Wit。
3、Why is the road so wet?,It must have rained last night.,must have done 对过去的非常肯定的 推测 （语气最强）,对已发生的过去情况的推测，若陈述句谓语部分有“must have done”，而且有表示过去的时间状语, 问句部分用didnt；,1) They must have gone there last night, didnt they?,2)They must have arrived by now, havent they?,对已发生的过去情况的推测，若陈述句谓语部分有“must have done”，若没有表示过去的时间状语，问句部分用havent 或hasnt .,3) He must have been to the Great Wall, hasnt he?,对已发生的过去情况。
4、情态动词的用法,情态动词表示说话人对某一动作或状态的情感和态度。 情态动词没有人称和数的变化。 但不能单独作谓语动词用，必须动词原形一起构成谓语动词。 将情态动词置于主语之前即构成其疑问式，在情态动词之后加not既构成其否定式。,1.can和could (could为can的过去式) (1)表示能力，eg： He can speak English better than you. (2)在疑问句和否定句中表示“怀疑”、“猜测”或“可能性”，eg： Can this green bike be Liu Dongs? (3)表示“许可”时can可以和may换用 eg:You can (may) go home now.,(4)如果要表示语气婉转，可用c。
5、1. Sometimes he offered to study with Yaser.,offer to do 主动去做 offer sb. sth. 提供某人某物 offer sb. + money 向某人出价多少钱,He offered to lend me some books. 他表示要借给我几本书。,He offered。
6、be willing to,愿意，乐意,e.g. She is willing to learn. 她很乐意学。,1 . Study the following words and expressions to prepare for the listening.,e.g. He is willing to help you. 他乐意帮助你。,take the。
7、Challenging Yourself 单句语法填空1Born in America，Thomas Edison was a great scientist and (invent)答案：inventor2Our job is to take care of children and care about their。
8、Unit 1 Life and Attitude单句语法填空1There are many things in life we (simple) cant change or control.答案：simply2He gave us a (live) description about his visit to Cambr。
9、Unit 1 Life and Attitude.单句语法填空1All these will help us lay a solid (found) for our future career.答案：foundation2In recent years (educate) and parents have become conc。
10、Challenging Yourself 单句语法填空1Come on.Please give me some ideas about the project.Sorry.With so much work (fill)my mind，I almost break down.答案：filling2Well have a chance。
11、Unit 2 Attitude to Life.单句语法填空1The weather turned warm (unexpected)，making the trees burst into leaves.答案：unexpectedly2The old man lived in the (desert) old house te。
12、Challenging Yourself 单句语法填空1Eskimos hunt deer in autumn and hunt food in winter.答案：for2We find easy to get along with our new teachers here.答案：it3If you c。
13、Unit 3 Festivals and Culture单句语法填空1He said that he was (faith) to his boss.答案：faithful2He is a faithful (follow) of his home football team.答案：follower3It is。
14、Unit 2 Attitude to Life单句语法填空1You ought to be (shame) of yourselftreating your sister like that!答案：ashamed2There are many people present at the meeting，a quarter of whom belo。