1、Section A(Grammar Focus-4c)Unit 10 You are supposed to shake hands.What are you supposed to do when you see an old man fall down?Were supposed to What are you supposed to do when you go across the road?Were supposed to What are you supposed to do when you see a thief stealing someones wallet?Were su
2、pposed to What are you supposed to do when someone asks you for help?Were supposed to Grammar Focus与动词不定式有关的三个重点句式与动词不定式有关的三个重点句式句式一：句式一：be supposed to do sth.被期望做某事；应该做某事被期望做某事；应该做某事(1)be supposed to do sth.意为“被期望做某事；应该做某事”，to是不定式符号，后接动词原形。be supposed to常用来表示劝告、建议、告知义务或责任等，意思相当于should。You are suppo
3、sed to go to the party earlier.你应该早点儿去参加聚会。Teachers are supposed to treat all the students equally.老师应该对所有的学生一视同仁。(2)在口语中，常用否定结构be not supposed to do sth.“不允许做某事；不应该做某事”，相当于shouldnt。You are not supposed to smoke on the bus.(=You shouldnt smoke on the bus.)你不应该在公交车上吸烟。We are not supposed to play foot
4、ball in the street.我们不应该在大街上踢足球句式二：句式二：be expected to do sth.（某人）被期望（某人）被期望/预料预料/估计做某估计做某事事be expected to意为“预料，预计”，表示一种可能性，to是不定式符号，后接动词原形。be expected to do sth.表示“(某人)被期望/预料/估计做某事”。She is expected to be a good doctor.她有希望成为一名好医生。Jack is expected to go home before ten at night.杰克被期望晚上十点钟之前回家。【注意】本句型
5、的主动形式为：expect sb.to do sth.意为“期望/预料/估计某人做某事”。We expect him to come over and help.我们希望他能过来帮忙。句式三：句式三：it+be+形容词形容词(+for/of sb.)+to do sth.(对某人来说对某人来说,)做某做某事是事是的的/某人做某事是某人做某事是的的(1)“it+be+形容词+to do sth.”意为“做某事是的”，it在此结构中为形式主语，真正的主语是后面的动词不定式to do sth.。因动词不定式作主语较长，而“be+形容词”相对较短，用it代替就避免了“头重脚轻”的现象。It is ea
6、sy to learn English well.学好英语是容易的。（2）“it+be+形容词+for sb.to do sth.”意为“对某人来说，做某事是的”，其中it是形式主语，真正的主语是后面的动词不定式。“it+be+形容词+of sb.to do sth.”意为“某人做某事是的”。这两个句型的区别如下：You _ ask for the teachers permission if you want to leave the classroom.Asupposed thatBare supposed toCare wantedDare suggested解析解析：如果你要离开教室，
7、你应该得到老师的同意。如果你要离开教室，你应该得到老师的同意。be supposed to 意为意为“应该应该；被期望；被期望”，符合题意，符合题意。APeople are _ to _ when they meet for the first time.A.suppose;shake hands B.supposed;shake hands C.supposed;shake hand D.suppose;shake handBComplete the sentences with the phrases in the box.4abe supposed to be expected to b
8、e important to1.When you go abroad,it _ bring your passport.2.After class,students _ clean the chalk off the blackboard.3.If you visit the northern coast of Norway during the winter season,it _ pack warm clothes.4.If there are people in the meeting room,you _ knock before entering.5.In many eastern
9、European countries,you _ take off your gloves before shaking hands.Fill in the blanks with the correct forms of the words in brackets.4bEach country has different rules about social situations.A traveler _(not expect;know)all of these,but it is helpful _(learn)as many of these customs as possible.On
10、e of the best ways to be accepted in a foreign country is to try _(understand)how people think.Learning what you _(suppose;do)and _(not suppose;do)in social situations may be difficult,but it is worth the trouble if you want to understand another culture.is not expected to knowto learn to understand
11、are supposed to donot supposed to do If there are people in the meeting room,you _ knock before entering.如果会议室里有人，你如果会议室里有人，你_进去之前先敲门。进去之前先敲门。(教材教材P76)【解析】knock此处用作不及物动词,意为“敲；击”。I knocked,but no one answered.我敲了门,但是没有人应答。【搭配】knock at/on the door 敲门 I knocked at/on the door and John opened it.我敲了敲门，约
12、翰开了门。【拓展】knock还可作及物动词,意为“撞；碰”；还可作可数名词,意为“敲击声；敲击”。He knocked his head against the wall.他的头撞到了墙上。I heard a loud knock at the door.我听到了很响的敲门声。In many eastern European countries,you _ take off your gloves before shaking hands.在许多东欧国家在许多东欧国家,你你_在握手在握手之前摘掉手套。之前摘掉手套。(教材教材P76)【解析】take off此处意为“脱下(衣服)”，其反义短语为
13、put on“穿上”。Take off your black coat and put on the red one.脱下你的黑色外套,穿上那件红色的。【拓展】take off还可意为“(飞机等)起飞”。The plane will take off soon.飞机很快就会起飞。Make a list of advice for someone coming to your country as an exchange student for the first time.Work with your group to give advice about:time what to do for someones birthday meeting people visiting someones home table manners giving gifts
