1、哪些主語是第三人稱單數(shù)?現(xiàn)歸納總結(jié)如下：一、人稱代詞he,she,it是第三人稱單數(shù)。如：HelikeswatchingTV.他喜歡看電視。Hehaslunchattwelve.他十二點(diǎn)吃午餐。Itlookslikeacat.它看起來像只貓。二、單個(gè)人名、地名或稱呼作主語；是第三人稱單數(shù)。如：HanMeilookslikehermother.韓梅看起來像她的母親。標(biāo)志詞（時(shí)間狀語）：always,everyweek(day,year,month),onceaweek,every,sometimes,at,onSundayuausllyoften,never,hardly.Beijingisin

2、China.北京在中國。UncleWangoftenmakescakes.王叔叔經(jīng)常做蛋糕。三、單數(shù)可數(shù)名詞或this/that/the+單數(shù)可數(shù)名詞作主語時(shí)，是第三人稱單數(shù)。如：Ahorseisausefulanimal.馬是有用的動(dòng)物。Thisbookisyours.這本書是你的。Thatcarisred.那輛小汽車是紅色的。ThecatisLucys.這只貓是露茜的。四、不定代詞someone,somebody,nobody,everything,something，anything等及指示代詞this,that作主語時(shí)，是第三人稱單數(shù)。如：Everyoneishere.大家到齊了。Th

3、ereissomethingwrongwiththewatch.這塊手表有毛病。Thisisapen.這是一支鋼筆。Thatisaneraser.那是一塊橡皮擦。五、不可數(shù)名詞作主語時(shí)為第三人稱單數(shù)。如：Themilkisintheglass.牛奶在玻璃杯里。Thebreadisverysmall.那面包很小。六、當(dāng)數(shù)字或字母作主語時(shí)，看作第三人稱單數(shù)。如：6isaluckynumber.6是個(gè)吉利數(shù)字。Iisaletter.I是個(gè)字母。（3） 一般現(xiàn)在時(shí)-動(dòng)詞第三人稱單數(shù)形式構(gòu)成規(guī)則（一般現(xiàn)在時(shí)中主語是第三人稱）1、大多數(shù)動(dòng)詞在詞尾加“S”如：stopstopsmakemakesreadre

4、adsplayplaysz2、 以輔音字母加“y”結(jié)尾的，要先將“y”變?yōu)椤癷”，然后在加“es”讀iz如：flyfliescarrycarriesstudystudiesworryworries3、 以“s,x,ch,sh”結(jié)尾的，在詞尾加“es”，發(fā)音為如：teachteacheswatchwatches4、 以“o”結(jié)尾的動(dòng)詞，加“es”，如：gogoesdodoes5、以不發(fā)音字母“e”結(jié)尾的開音節(jié)詞，加“s”如：closeclosesiz6、特殊：1.be動(dòng)詞包括：am，is，are。第三人稱單數(shù)用is；過去式為was；復(fù)數(shù)用are，過去式為were.2.動(dòng)詞have，遇到主語是第三

5、人稱單數(shù)時(shí)，要用has；動(dòng)詞be的第三人稱單數(shù)形式is。（四）鞏固練習(xí)題：一、寫出下列動(dòng)詞的第三人稱單數(shù)形式：sit-guess-die-go-rush-reach-touch-brush-fly-copy-say-run-do-fix-live-cry-enjoy-have-wish-play-Tie-teach-buy-study-drink-go-stay-make-look-carry-come-watch-plant-fly-do-2、 用括號(hào)內(nèi)動(dòng)詞的適當(dāng)形式填空。1. Heoften_(have)dinnerathome.2. DanielandTommy_(be)inClassO

6、ne.3. We_(notwatch)TVonMonday.4. Nick_(notgo)tothezooonSunday.5. _they_(like)theWorldCup?6.What_theyoften_(do)onSaturdays?7._yourparents_(read)newspaperseveryday?8. Thegirl_(teach)usEnglishonSundays.9. SheandI_(take)awalktogethereveryevening.10. There_(be)somewaterinthebottle.11. Mike_(like)cooking.

7、12.They_(have)thesamehobby.13.Myaunt_(look)afterherbabycarefully.14.Youalways_(do)yourhomeworkwell.15.I_(be)ill.Imstayinginbed.16.She_(go)toschoolfromMondaytoFriday.17.LiuTao_(do)notlikePE.18.Thechildoften_(watch)TVintheevening.19.SuHaiandSuYang_(have)eightlessonsthisterm.20.Whatday_(be)ittoday?ItsSaturday三、改錯(cuò)(劃出錯(cuò)誤的地方，將正確的寫在橫線上)1.IsyourbrotherspeakEnglish?_2.Doeshelike