Unit 5 The broken computer.ppt

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1、Unit5ThebrokencomputerShould用法Should用法表义务5表征询意见表推测表虚拟表感情色彩1.用于第一人称疑问句，表征询意见。ShouldIopenthewindow?2.should表义务，可用于各种句式，通常指将来。Youshoulddowhatyourparentstellyou.Youshouldn’tbesittinginthesunlikethat.3.should表推测，暗含很大的可能。It’s4:30.TheyshouldbeinNewYorkbynow.Threewee

2、ksshouldsuffice.4.should可在某些从句中，表虚拟语气。Isuggestthatyoushouldstayhereasifnothinghadhappened.Ifsheshoulddropin,givehermymessage.5.should表感情色彩，常用在以why,how开头的疑问句中Idon’tseewhyweshouldn’tmakefriends.Whyshouldn’tyouinvitehim?★在that引导的从句中，should也可表惋惜、忧虑、欢乐、惊讶等感情色彩。I’m

3、sorrythatyoushouldthinksobadlyofme.Itisabsurdthatsuchthingsshouldhappentoafamilyliketheirs.★should还用于一些特殊结构，表感情色彩。Thatitshouldcometothis!Tothinkthatitshouldhavehappenedtome!Bye-bye