内容正文:
Unit 10
You’re supposed to shake hands.
Grammar Focus-4c
What can we do in one minute?
Is it necessary to be on time?
Different countries have different time concepts.
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In which country, it’s very important to be on time?
In which country, it’s more relaxed about time?
French
Japan
Important
Relaxed
Germany
Peru(秘鲁)
Korea
Russia
Spain(西班牙)
Argentina(阿根廷)
Tang原创课件
小红书Tang
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Are you supposed to be on time when you meet your friends?
Are you supposed to call your friends before you go to their house for dinner?
Are you supposed to make plans to meet your friends?
Two of my friends have different ideas.
What are you supposed to do when you meet someone for the first time? You ______________ shake hands.
You're not supposed to kiss.
When were you supposed to arrive? I_______________arrive at 7:00.
____ I ____________ wear jeans? No, you're expected to wear a suit and tie.
___it ___________ keep others waiting? Yes, it's very impolite to keep others waiting.
Is it important to be on time? Yes, it's____________be on time.
Grammar Focus
are supposed to
was supposed to
Is impolite to
Am supposed to
important to
一、be supposed to 的用法
1. 当主语是人时
be supposed to的主语是人时,意为“应该……”,用来表示劝告、建议、责任等。否定形式为be not supposed to do sth. ,意为“不应该做某事”,表示命令或禁止。
Students are supposed to learn both knowledge and basic life skills.
学生们应该学习知识和基本的生活技能。
Children are not supposed to play on the street because it’s really dangerous
孩子们不应该在街上玩耍,因为太危险了。
2. 当主语是事或物时
be supposed to的主语是事或物时,意为“本该;本应”,用于表示某事本应该发生而没有发生。
It is supposed to be an off-season for vegetables , but you seem to have enough here .
按说现在是蔬菜的淡季,可是你们这里供应还不错。
It’s+ adj. + to do sth.
不定式做主语时,常用代词 it来代替不定式结构。 it为形式主语,而不定式作为真正主语被后置。
Look at these sentences.
It’s very impolite to keep others waiting.
It’s important to be on time.
It’s normal to cry when we feel sad.
形式主语
真正主语
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It is + adj. + for sb. to do sth. 此句型中的形容词为描述事物特征的词, 如difficult, important, easy, hard, necessary, possible, dangerous, impo