九年级英语上册Lesson31课件

Lesson31 Theinfinitive 2 动词不定式 二 构成 to do 动词原形 用法 用作宾语 v todo Iwanttobuyacomputer Shehopestofindabetterjob Iwishtogowithyou needtodolearntodoagreetodoplantododecidetodorefusetodobegintodostarttodotrytodoforgettodoremembertodoliketodoStoptodogoontodo 2 用作宾语补足语 v sb todo Sheaskedmetohelpher Theteachertoldhimtocomeontime Edison smothertaughthimtoreadandwrite wantsbtodowishsbtodogetsbtodoordersbtodofindsbtobelikesbtodowouldlikesbtodohelpsbtodo 作宾语补足语不带to的情况 Letmedoit Isawhimcrossthestreet 常见动词有 使役动词 let make have感官动词 see watch hear feel listento比较 Iheardhersinginginthenextroom Iheardhersinginthenextroom 3 用作状语 adverbial HecametoshowmehisnewCDplayer Iwenttheretoseemyteacher ShecamebacktogetherEnglishbook Theboywastoofrightenedtomove 目的 目的 目的 结果 4 用作主语 1 TobehereatChristmastimeismydream 2 Togoabroadishisdream 3 Tosayiseasy todoisdifficult 这时可将其用形式主语it来替换 ItismydreamtobehereatChristmastime Itishisdreamtogoabroad Itiseasytosay itisdifficulttodo 5 用作表语 Hisworkistofeedtheanimals Herjobistolookafterthepatients Mywishistobeascientist 6 用作定语 Givemesomethingtodrink Ihavetwobookstoread Theyhavemuchfoodtoeat 这时不定式与被修饰词有动宾关系 若是不及物动词 介词不能省略 Heaskedforaroomtolivein Idon thaveapentowritewith Theiceishardenoughtoskateon Heboughtatoytoplaywith 7 疑问词who what which where when how加todo可构成不定式短语 在句中可用作主语 宾语 宾语补足语 表语等 Whentostarthasnotbeendecided Idon tknowwhattodo Hecantellyouwheretogetthebook Thequestioniswho m toask 主语 宾语 宾语补足语 表语 比较 Compare Idon tknowwhattodo Idon tknowhowtodoit Idon tknowwhattodoaboutit Exercises 1 You vedoneverywellthistime It sreallykind A foryoutosaysoB foryousayingsoC ofyoutosaysoD ofyousayingso2 Itisbettertoloseone slifethan A ifyouloseyourspiritB losinghisspiritC toloseone sspiritD yourspiritgettinglost C C 3 Ican tworkinthisway Whynot itinsomeotherway A trytodoB trydoingC tryingtodoD tryingdoing4 Sinceyoufinditdifficult adecision you dbetteradiscussion 讨论 withyourparents A reach haveB reaching haveC reach havingD toreach have B D 5 Myfatherhates 痛恨 Heneverallowsme A tosmoke tosmokeB smoking smokingC smoke smokingD smoking tosmoke6 Thegirlwasbeginning A getangryB togetangryC gettingangryD angry D B 7 Thereisn tanydifferencebetweenthetwo Ireallydon tknow A wheretochooseB whichtochooseC whattochooseD tochoosewhich8 Thebagistooheavyforme A tocarryitB nottocarryitC tocarryD nottocarry9 Theteacherwillteachhim A touseB useitC howtouseitD uses B C C 找出句子中的不定式 并说出作用 Ittakesyoutenminutestogetthere Ihopetoseehimsoon Hiswishistobecomeanartist Peopleeatt