02 Unit 3~4 单元语法知识点梳理 高一下学期期中考点（上教版2020必修第二册）.pptxVIP

高一下英语期中考试复习;Participlsasadverbials;Teachingaims

;用分词改写下列状语从句：

1.Whentheboyheardthenews,hecried.

;3.Shedidn’tattendtheschoolbecauseshewastravellingabroad.;5.Ifyouturnleft,you’llfindthehouse.;7.Thoughhesawme,hedidn’tsayhellotome.;1.Hestoodthereandwaitedforme.;;现在分词和过去分词做状语前面都可以出现“while，when,once,until,if,though,unless等连词。

;现在分词与过去分词作状语的区别

1.逻辑关系:现在分词作状语与过去分词作状语的最主要区别在于：两者与所修饰的主句的主语的逻辑关系的区别。;;_____foralongtime,thebooklooksold.

1.由于用了很长时间，这本书看上去很旧.

______thebook,Ifindituseful.

2.在使用的过程中，我发现这本书很有用.

________(look)ather,hejumpedwithjoy.

________(look)atbyher,hejumpedwithjoy.;

A.totakeB.taking

C.tobetakenD.taken;2.时间概念:

过去分词表示动作已经完成,,“被动”动作。

现在分词(having done)

表示动作先于谓语动词发生,“主动”动作；

havingbeendone表示先于谓语动词发生，,“被动”动作；

，若与表示次数的短语或for+一段时间连用，不能替换成过去分词;Writteninahurry,thisarticlewasnotsogood.

因为写得匆忙，这篇文章不是很好。;

1._____fromthetopofthetower,the southfootofthemountainisaseaof trees.

Seen B.Seeing

C.Havingseen D.Tosee

[点拨]答案为A。thesouthfootofthemountain与see之间是一般的被动关系。;2._____aroundtheWaterCube,wewere thentakentoseetheBird’sNestforthe 2008OlympicGames.

A.Havingshown B.Tobeshown

C.HavingbeenshownD.Toshow

[点拨]答案为C。我们参观鸟巢前已经被带着参观了水立方。;;2._______withcare,onetinwilllastforsixweeks.

A.Use B.Using

C.Used D.Touse

;4.Hegotuplateandhurriedtohisoffice,_________thebreakfastuntouched.

A.left B.toleave

C.leaving D.havingleft

5.______toworkovertimethatevening,Imissedawonderfulfilm.

A.HavingbeenaskedB.Toask

C.HavingaskedD.Tobeasked;;1.______intoEnglish,thesentencewas foundtohaveanentirelydifferentword order.

A.Translating B.Translated

C.Totranslate D.Havingtranslated;2._____animportantro