三年级语文上册 第三单元期末总复习课件 新人教版 (981)

1、单元语法聚焦(十)supposed的用法1be supposed to do意为“应该；被期望”。主语是物时,意为“本应；本该”,指“某事本应该发生而没有发生”。 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,相当于should。eg：You are supposed to shake hands when you meet someone for the first time in China.在中国与他人第一次见面时,你应该握手。The plane was supposed to arrive at 6：00.飞机本应该6点钟到。2在口

2、语中,常用否定结构“be not supposed to do”,意为“不允许/不应该做某事”,相当于shouldnt。eg：You are not supposed to smoke on the bus.你不应该在大众汽车上吸烟。3be supposed to have done sth.意为“本应做某事而实际上没做”。eg：You are supposed to have finished the work.你们本应完成这项工作的。4supposethat从句,当变为否定句时,否定词应该前移。类似的词还有think,believe等。eg：I dont suppose he will t

3、ell you about it.我认为他不会告诉你这件事。5suppose还有“猜想”的意思,suppose sb to do sth意为“猜想某人去做某事”。eg：I supposed him to stay at home.我猜他待在家。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”。eg：He is expected to do well in the test.他有望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。“It isadj.to do st

4、h.”的用法it作形式主语,真正的主语是动词不定式。eg：It was wrong for you not to help her.你不帮助她是错误的。一、单项选择。( )1.You_arrive at 6：00 am.,but you arrived at 7：00 am.today.Dont be late next time.Asupposed toBwere supposed toCare supposedDare supposed toB( )2.This disabled girl needs our help.We are_to do something for her.Asto

5、pped BinvitedCsupposed Dhelped( )3.Students are_to speak loudly in the reading room.Atold BsupposedCnot supposed DallowedCC( )4.When_you supposed_the meeting yesterday?Awere；had Bwas；hadCwere；to have Dwere；havingC( )5.Let me help you carry the box,Granny.Thank you,Li Lei.Its very nice_you_me.Aof；to help Bfor；to helpCof；helping Dfor；helpingA二、根据汉语意思完成句子。6你们应该穿校服。You _ _ _ _ school uniforms.7约翰应该会出席今晚的宴会。John _ _ _ attend the party tonight.8每天喝足够的水是重要的。_ _ _ _ _ enough water every day.are supposed to wearis supposed/expected toIt is important to drink9她有望成为一名好医生。She _ _ _ _ a goo