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单元语法聚焦:

1. be supposed to do的用法

1). be supposed to do sth =_________ ______sth 其否定形式为 be _____ _________ _____do

sth = _________do sth 意为“应该做某事；被期望/要求做某事 ”。如： 在中国与他人初

次见面时你应该握手。

You______ __________to shake hands when you meet someone __________ the first time in

China. 主语是物时，意为“本应；本该”，指“某事本应该发生而没有发生”。如： 飞机本

应该6点钟到。The plane was __________ to arrive at 6：00. 2)．用于否定句中，表示“获

准；允许”。 如：

You are not supposed to smoke on the bus.你不可以在公共汽车上吸烟。 3)．be supposed to have

done sth.意为“本应做某事而实际上没做”。 如：

You are supposed to have finished the work. 你们本应完成这项工作的。 （实际上没有完成）

2.be expected to do的用法

be expected to do表示一种可能性，意为“被期许(预期)会做某事”。如： He is expected to do

well in the test. 他被期许在考试中取得好成绩。 She is expected to arrive at noon. 预期她将会

在正午抵达。 实战演练 Ⅰ. 单项选择

( )1.You________ arrive at 6：00 am., but you arrived at 7：00 am. today. Don't be late next time.

A．supposed to B．were supposed to C．are supposed D．are supposed to

( )2.This disabled girl needs our help. We are ________ to do something for her.

A．stopped B．invited C．supposed D．helped

( )3.Students are ________ to speak loudly in the reading room.

A．told B．supposed C．not supposed D．allowed

( )4.—You look sad. What has happened?—We were________ to win the match, but we lost.

A．expects B．expected C．hopes D．hoped ( )5.It's

dangerous for us________ with wild animals.

A．to play B．playing C．play D．played Ⅱ. 根据汉语

意思完成句子

1．你们应该穿校服。You_________ __________ ___________ _____________ uniforms.

2．约翰应该会出席今晚的宴会。John_________ ___________ ___________ come to the

party tonight.

3．每天喝足够的水是重要的。_________ _________ __________ _________ ________

enough water every day. 4．她有希望成为一名好医生。She__________ ____________

__________ __________ a good doctor. 重点点播：

1. take off 脱下(衣服)；(飞机等)起飞

[拓展] ：take place 发生 take after 长得像 take away拿走，取走

①[2013〃莱芜] —It's too hot today.—Yes. Why don't you________ your jacket?

A．put on B．put up C．take off D．take after ②[2013·内

江] The plane to Chengdu________ just now. You have to wait until tomorrow. A．took off

B．took after C．took out D．took away ③If you bring snacks to school, the

teacher will_______them________.

A. take off B. take away C. take after D. take place

④Tom ________his father. They are both very tall. A. take off B. take away C. take