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1、不定式由“to+do(動詞原形)”構(gòu)成,其否定形式是“nottodo”,不定式可以帶賓語或狀語構(gòu)成不定式短語,在句子中作______,_____,_____,_____,_____,_____或_________。不定式?jīng)]有人稱和數(shù)的變化,但有_____和_____的變化。插入語主語表語賓語賓補(bǔ)定語狀語時態(tài)語態(tài)不定式有時態(tài)和語態(tài)的變化，時態(tài)共四種，即一般式、完成式、進(jìn)行式和完成進(jìn)行式。語態(tài)分為主動語態(tài)和被動語態(tài)，如下表所示。形式主動被動一般式進(jìn)行式完成式完成進(jìn)行式todotohavedonetobedoingtohavebeendo
2、ingtobedonetohavebeendone歸納：邏輯主語是動作的執(zhí)行者時用_____語態(tài)；邏輯主語是動作的承受者時用_____語態(tài)。主動被動1.Hehopes_________(see)youagain.他希望再次見到你。2.Hethoughtitanhonor___________(invite)totheparty.他認(rèn)為被邀請參加派對是個榮幸。toseetobeinvitedtodo&tobedone不定式被動語態(tài)tobedone&tohavebeendone1.Heorderedthebridge__________
3、(build)withinthemonth.他命令在月內(nèi)建成這座橋。2.Shewasglad_________________(give)somuchhelp.得到如此多的幫助,她很高興。tobebuilttohavebeengiven歸納：動作與謂語動詞的動作同時發(fā)生或在其后發(fā)生用___________________；動作發(fā)生在謂語動詞的動作之前用____________________________。tobedonetohavebeendone(1)Themeeting_________(hold)isofgreatimpo
4、rtance.要舉行的這個會議很重要。(2)Thishouseseems_____________(build)byagoodarchitect.這個房子似乎是一個厲害的建筑師建造的。tobedone&tohavebeendonetobeheldtohavebeenbuilt1.Thedishesneed____________.tobewashedwashPractice:tobedone2.Themailisintended(準(zhǔn)備)__________.sendtobesent4.Thehouseis________(待售).s
5、elltobesold3.Thewallisexpected_____________.tobepaintedpaint通常在believe,suppose,say,report等動詞構(gòu)成的句子可以轉(zhuǎn)換成主語+be+P.P.+tohavebeendonePeoplebelievethathewaskilled.Itisbelievedthathewaskilled.Heisbelievedtohavebeenkilled.主語+be+p.p.tohavebeendone轉(zhuǎn)化成it’s+p.p.+that從句轉(zhuǎn)化成He’s+p.p.+
6、?大家相信他被殺了。Themeetingissaid_________________(cancel).據(jù)說會議取消了。2.Thebookisreported_________________(translate)intomanylanguages.據(jù)報道這本書已經(jīng)被翻譯成很多種語言。tohavebeentranslatedtohavebeencancelledHeishardtoconvince.Theproblemistoodifficulttoworkout.Withnothingtodo,helayinbed.歸納：在“…b
7、e+adj+todo”結(jié)構(gòu)中。常用的形容詞有easy,difficult,hard,impossible,nice,pleasant等。Heisimpossible_________(work)with.跟他一起工作是不可能的。1.Heishardtoconvince.towork歸納：“too…to…;enough…to…”結(jié)構(gòu)中。Thehouseisbigenough________in.這房子用來住足夠大。2.Theproblemistoodifficulttoworkout.tolive歸納：在“with+n.+todo”結(jié)
8、構(gòu)中。3.Withnothingtodo,helayinbed.Withsomanyexercises________,Ican’tgotothecinema.太多作業(yè)要做，我不能去看電影。todoRobotBaymax!Baymax
