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1、動(dòng)詞的原形及用法動(dòng)詞第三人稱單數(shù)規(guī)則動(dòng)詞原形變第三人稱單數(shù)的規(guī)則與發(fā)音規(guī)律同名詞單數(shù)變復(fù)數(shù)大致相同。1、大多數(shù)動(dòng)詞在詞尾加“S”stop-stops[s];make-makes[s]read-reads[z];play-plays[z]2、以輔音字母加“y”結(jié)尾的,要先將“y”變?yōu)椤癷”,再加“es”讀[iz]fly-flies[z];carry-carries[z]study-studies[z];worry-worries3、以“s,x,ch,sh”結(jié)尾的,在詞尾加“es”,發(fā)音為[iz]teach-teaches[iz];watch-watches[iz]4、以
2、“o”結(jié)尾的動(dòng)詞,加“es”,讀[z]go-goes[z]do-does[z]1.表示事物或人物的特征、狀態(tài)。Theskyisblue.Iamastudent.2.表示經(jīng)常性或習(xí)慣性的動(dòng)作。Igetupatsixeveryday.3.表示客觀現(xiàn)實(shí)。Theearthgoesaroundthesun.地球繞著太陽轉(zhuǎn)。一般現(xiàn)在時(shí)動(dòng)詞原形涉及到一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)的構(gòu)成Heisaworker.WestudyEnglish.Hegetsupat6:00everymorning.當(dāng)主語為第三人稱單數(shù)時(shí),要在動(dòng)詞后加"-s"或"-es"第三人稱he,she,it單個(gè)人名、地名JohnB
3、eijing不定代詞someone,everything不可數(shù)名詞water,milk單數(shù)名詞Heisaworker.變?yōu)橐蓡柧銲sheaworker?WestudyEnglish.變?yōu)橐蓡柧?否定句DoyoustudyEnglish?Wedon’tstudyEnglish.Hegetsupat6:00everymorning.變?yōu)橐蓡柧?否定句Doeshegetupat6:00everymorning?Hedoesnotgetupat6:00everymorning一般現(xiàn)在時(shí)的被動(dòng)語態(tài)1.Thescientistinventsthismachine.變?yōu)楸粍?dòng)句Thism
4、achineisinventedbythescientist.一般現(xiàn)在時(shí)的被動(dòng)語態(tài)am/is/are+過去分詞2.Wefinishtheworkduringtwodays.Theworkisfinishedduringtwodaysbyus.動(dòng)詞的過去式,過去分詞及用法動(dòng)詞的過去式動(dòng)詞的過去式變化可分為規(guī)則變化和不規(guī)則變化。規(guī)則變化如下(1)一般情況下,動(dòng)詞詞尾加ed,如:work—worked;play—played;want—wanted;act—acted(2)以不發(fā)音的e結(jié)尾動(dòng)詞,動(dòng)詞詞尾加d,如:live—lived;hope—hopeddecide—decid
5、ed;(3)以輔音字母+y結(jié)尾的動(dòng)詞,把y變?yōu)閕再加ed,如:study—studiedtry—triedcopy—copiedcarry—carried(4)雙寫詞尾輔音字母,再加ed,如:stop—stoppedbeg—beggeddrop—droppedplan—planned不規(guī)則動(dòng)詞的過去式須記憶過去式的用法表示過去某一時(shí)刻或某一段時(shí)間內(nèi)所發(fā)生的動(dòng)作或情況。一般過去式通常和表示過去時(shí)間的詞,詞組,從句連用。如yesterday,lastweek,twodaysago等Iworkedinthatfactorylastyear.去年我在那一家工廠工作。Iwentto
6、theLianHuaMountainyesterday.昨天我們?nèi)チ松徎ㄉ?。涉及到一般過去式否定句:Hedidnotplayfootballlastweek.一般疑問句:Didheplayfootballlastweek?肯定回答:否定回答:Heplayedfootballlastweek.主語+didnot+動(dòng)詞原形Did+主語+動(dòng)詞原形Yes,hedid.No,hedidn't.否定句:Hewasnotillyesterday.一般疑問句:Washeillyesterday?肯定回答:否定回答:Hewasillyesterday.主語+was/were+not直接把w
7、as/were提到句首Yes,hewas.No,hewasn't.一般過去式的被動(dòng)形式涉及到動(dòng)詞的過去分詞規(guī)格變化和不規(guī)則變化1.ThescientistinventedthismachineThismachinewasinventedbythescientist.變?yōu)楸粍?dòng)句2.Wesenthimtothehospitalimmediatelyaftertheaccident.變?yōu)楸粍?dòng)句Hewassenttothehospitalimmediatelyaftertheaccident.一般過去時(shí)的被動(dòng)語態(tài)was/were+過去