2019春九年级英语下册Unit4LifeonMars语法专练课时作业新版牛津版

《2019春九年级英语下册Unit4LifeonMars语法专练课时作业新版牛津版》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4LifeonMars单元语法专练简单句和复合句之间的转换(二)1.用介词短语把状语从句转换为简单句。(1)由when,before,after等引导的时间状语从句,可以用相应的介词短语来代替。例如:We’llplayfootballwhenschoolisover.→We’llplayfootballafterschool.放学后我们要踢足球。Youmustwashyourhandsbeforeyouhavemeals.→Youmustwashyourhandsbeforemeals.吃饭前你必须洗手。(2)由if,unless引导的条件状语从句,可以用由withou

2、t构成的介词短语来代替。例如:Peoplecan’tliveifthereisnoairorwater.→Peoplecan’tlivewithoutairorwater.没有空气和水,人类不能生存。(3)由because引导的原因状语从句,可以用由becauseof构成的介词短语来代替。例如:Wedidn’tgotherebecauseitrainedheavily.→Wedidn’tgotherebecauseoftheheavyrain.由于下大雨,我们没有去那里。(4)由(as...)as引导的比较状语从句,有时可以用“beofthesame+名词”结构来代替。例如:L

3、ilyisasoldasLucy.→LilyandLucyareofthesameage.莉莉和露西年龄一样大。2.用介词短语把宾语从句转换为简单句。某些动词后的宾语从句,可以转换为“介词+动名词(短语)”的形式。例如:Heinsistedthatheshouldgowithus.→Heinsistedongoingwithus.他坚持要和我们一起去。Thepoorboydoesn’tknowwhenandwherehewasborn.→Thepoorboydoesn’tknowthetimeandtheplaceofhisbirth.那个可怜的男孩不知道他出生的时间和地点。3

4、.用介词短语把定语从句转换为简单句。如果定语从句中的谓语动词have表示“有”的含义,从句可转换成由with构成的介词短语作后置定语。例如:Heisamanwhohasalotofmoney.→Heisamanwithalotofmoney.他是个有钱人。Ⅰ.将下列复合句改为简单句1.Areyousurethattheyareinterestedinit?Areyousure　abouttheirinterestinit　? 2.I’veremindedhimwhenwewillhavetheparty.I’veremindedhim　of/aboutthetimeofthep

5、arty　. 3.AtHalloweenyouwillseelotsofpeoplewhowearspecialcostumes.AtHalloweenyouwillseelotsofpeople　inspecialcostumes　. 4.Thepianistbegantolearntoplaythepianowhenhewasfouryearsold.Thepianistbegantolearntoplaythepiano　at(theageof)four　. 5.Heworksevenharderthanbeforesothathecangotoagoodcollege.

6、Heworksevenharderthanbefore　inorderto/soasto　gotoagoodcollege. Ⅱ.将下列简单句改为复合句1.Shecouldn’tgotobedearlybecauseoftoomuchhomework.Shecouldn’tgotobedearly　becauseshehad　toomuchhomework. 2.Hecan’tworkouttheproblemwithouthelp.Hecan’tworkouttheproblem　ifhehasno　help. 3.Iwanttobuyahousewithabiggarden

7、.Iwanttobuyahouse　whichhas　abiggarden. 4.Doyouknowthegirlinaredskirtthere?Doyouknowthegirl　whois　inaredskirtthere? 5.Shelearnttodanceattheageofsix.Shelearnttodance　whenshewas　sixyearsold.