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1、專業(yè)資料精心整理非謂語動詞講解非謂語動詞:a.動詞不定式b.v-ingc.過去分詞概述：1.謂語動詞：在句子中擔(dān)任謂語的動詞2.非謂語動詞：是動詞的特殊形式,在句中可以作除謂語外的所有成分非謂語動詞使用條件一個句子當(dāng)中，已經(jīng)存在一個主句（謂語動詞）,又沒有連詞的情況下,還有別的動詞出現(xiàn)時。Shegotoffthebus,leavingherhandbagonherseat.Shegotoffthebus,butleftherhandbagonherseat.動詞不定式一．動詞不定式的時態(tài)和被動形式動詞不定式是非謂語動詞的一種，由不定式符號(to)加動詞原形構(gòu)成。不定式的形式有五種
2、：1.一般式todoIliketoreadEnglish.2.進(jìn)行式tobedoingHeseemedtobereadingsomethingatthattime.3.完成式tohavedoneHeseemedtohavecleanedtheroom.4.被動式tobedoneTheworkistobedonesoon.5.完成被動式tohavebeendoneTheboyissaidtohavebeensenttohospitalyesterday.疑問詞+動詞不定式What,who,which,where,when,how,why等疑問詞構(gòu)成不定式短語，這種短語在句子中可作主
3、語、賓語和表語等成分。二.動詞不定式的用法I.作主語(1)不定式做主語時，可以直接放在謂語動詞之前。Toseeistobelieve．Nottogetthereintimeisyourfault.(2)注：常用it做形式主語，將todo位于之后，使句子保持平衡。句型1：It+謂語+(+sb.)+時間/金錢+todoIttakesusanhour_to__gettherebybus.下載可編輯專業(yè)資料精心整理Itcostsyouonly$100amonthtocookathome.Itseemedimpossibletosavemoney.句型2：It’s+n.(+forsb)+t
4、odoIt’sourduty_to_helpthepoor.Itisagreatenjoyment_to_spendourholidayinthecountryside..Itisagreathonorforustobepresentatyourbirthdayparty.句型3：Itis+adj（+forsb）todosth（是形容事物的性質(zhì)的）Itis+adj（+ofsb）todosth（是形容人的品質(zhì)的）Itiseasyformetofinishthisworkbeforeten.Itisverykindofyoutogivemesomehelp.It'simpoliteo
5、fyoutospeaktotheteacherlikethat.疑問詞+不定式作主語Whentostartremainsundecided.1.Itiseasytogettherebybusortaxi.2.Ittakesabout3hourstoseeallthebirds.3.Itisalsoimpolitetospeakwithyourmouthfullwhenyouareeating.4.It’sourdutytotakegoodcareoftheold.5.Howlongdidittakeyoutofinishthework?6.Itisstupidofyoutowri
6、tedowneverythingtheteachersays.7.Whentostarthasnotbeendecided.8.Itseemedselfishofhimnottogivethemanything.9.It’snecessaryforyoutolockthecarwhenyoudonotuseit.10.Itisusefulforourhealthtodomorningexercises.II.作賓語接不定式做賓語Iwanttoknowthismatter.Idon’texpecttomeetyouhere(1)常見動詞有：like,demand,expect,pr
7、omise,begin,determine,refuse,fail,manage,learn,seem,forget,want,prepare,pretend,plan,wish等Theywanttoget_(get)onthebus,didn’tthey?Hesaidhewished__tobe(be)aprofessor.(2)it作形式賓語Ifind/feeltoworkwithhiminteresting．Ifind/feelitinterestingtoworkwith
