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1、一般现在时讲解及练习1. 一般现在时： 1.表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。2.表示经常性或习惯性的动作。如：I get up at six every day.我每天六点起床。3.表示客观现实。如：The earth goes around the sun.地球绕着太阳转。2. 构成：1. be动词：主语+be(am,is,are)+其它。如： I am a boy.我是一个男孩。2.行为动词：主语+行为动词(+其它)。如： We study English.我们学习英语。当主语为第三人称单数(he, she,it)时，要在动词后加-s或-es。
2、如：Mary likes Chinese.玛丽喜欢汉语。注意：一般现在时经常和频率副词连用。3. 我的变化-否定句、一般疑问句、特殊疑问句：1. be动词的变化。否定句：主语+ be + not +其它。如：He is not a worker.他不是工人。一般疑问句：Be +主语+其它。如：-Are you a student? -Yes. I am. / No, Im not.特殊疑问句：疑问词+一般疑问句。如：Where is my bike?2.行为动词的变化。否定句：主语+ dont( doesnt ) +动词原形(+其它)。如： I dont like bread.当主语为第三人称
3、单数时，要用doesnt构成否定句。如： He doesnt often play.一般疑问句：Do( Does ) +主语+动词原形+其它。如： - Do you often play football? - Yes, I do. / No, I dont.当主语为第三人称单数时，要用does构成一般疑问句。如： - Does she go to work by bike? - Yes, she does. / No, she doesnt.特殊疑问句：疑问词+一般疑问句。如：How does your father go to work?动词第三人称单数形式构成规则动词原形变第三人称单数的
4、规则与发音规律同名词单数变复数大致相同，请认真观察。1、大多数动词在词尾加“S”在清辅音后发音为s，在浊辅音及元音后发音为 z。如： stopstops s makemakes s readreads z playplays z2、以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读iz 如： flyflies z carrycarries z studystudies z worryworries3、以“s, x, ch, sh”结尾的，在词尾加“es”，发音为iz 如： teachteaches iz watchwatches iz4、以“o”结尾的动词，加“es”，读z
5、如： gogoes z dodoes z下面几个动词变为单数时，原词的元音部分的发音发生了较大的变化，请注意记忆。 如：1）、do du:does dz2）、say seisays sez 以不发音字母“e”结尾的开音节词，如果尾音是s，z时，加“s”后字母“e” 发音， 与所加“s”一起读做iz。 如： closecloses izbe动词包括：am， is， are。第三人称单数用 is；过去式为 was；复数are，过去式为were.have，遇到主语是第三人称单数时，要用 has； 动词 be 的第三人称单一般现在时练习题(一) 写出下列动词的第三人称单数形式：drink-_go-_s
6、tay-_make-_look-_carry-_come-_watch-_plant-_fly -_do-_sit-_guess-_die-_go-_rush-_reach-_touch-_brush-_fly-_copy-_say-_run-_do-_fix-_live-_cry-_enjoy-_have-_wish-_play-_teach-_buy-_ study-_(二) 用所给词的正确形式填空。1.What_(do)Alice find?2.Which toy_(do) she like?3.He doesnt_(know)her name.4.Where _(do)Grandma
7、live?5.The boy_(chase) it.6.Grandma Wang_(live) in Pudong.7.When _(do)he get up?8.Kitty_(watch)TV everyday.9.John cant_(find) his watch.(三) 选择题1. Jack and her mother _happy. A.does B.are C.is D. have2. .Her mother _the beanstalk.A.take B.is take Ctakes D. taking3. The woman_the beanstalk.A.cut B.cut
8、ting C.are cut D.cuts4. The goose_golden eggs.A.lay B.lays C.layed D.layes5. Supergirl and Superdog_them.A.saves B.save C.saving D.is saving6. Ben_a new bicycle. A.have B.has C.are D.were7. A man _in front of his car.A.walk B.walks C.walking D.work8. How _it feel?A.does B.do C.are D.is9. -He came ea
9、rly this morning, didnt he? -Yes, he did. He often_ to school early. A. come B. comes C. came D. has come10. Ann _ her hair every week. A. is going to wash B. wash C. washes D. is washing11. They usually_TV in the evening. A. watch B. will watch C. are watching D. watches12. The sun _ in the east an
10、d_ in the west. A. raises; set B. rise; sets C. rises; sets D. rises; set13. -I usually have milk and bread for breakfast. What about you, Jim? -So do I, but my sister _. A. hasnt B. doesnt C. didnt D. wont14. She will go if it _ tomorrow. A. isnt rain B. dont rain C. doesnt rain D. didnt rain15. Th
11、ese little boys_ playing football. A. are liking B. like C. likes D. were liking16. -_ he _ to work on foot? -Yes, he_. A. Do; go; do B. Does; go; does C. Is; going; does D. Does; go; is17. -_ they often _ these old men? -Yes, they_. A. Do; help; are B.Are; helping; are C. Do; help; do D. Are; helped; are(四) 变否定句。1. He wants a book._2. Jimmy washes hands before dinner._3. Lisa likes milk very much._4. They walk to school._5. Lingling and Dandan are 10 years old._
