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1、英语语法专项讲练：一般现在时（11）一、 动词第三人称单数变形规则(1)一般动词在词尾加-s，-s在清辅音后读s，在浊辅音或元音后读z，ds读dz，ts读ts。如：helphelps，knowknows，getgets，readreads(2)以字母s，x，ch，sh或有些以o结尾的动词加-es，-es读iz。如：guessguesses，fixfixes，teachteaches，washwashes注意：gogoes dodoes(3)以辅音字母+y结尾的动词，先变y为i，再加-es，-ies读iz。如：carrycarries，flyflies注：在playplayspleiz，says
2、ayssez中，字母y前为元音字母，第三人称单数形式直接在动词后面加-s。(4)特殊词例外。如：beis，havehas练习： 写出下列动词的第三人称单数 talk_talks forget_forgets_ hope_hopes_ play_plays_say_says_buy_buys_ worry_worries_fly_flies study_studies_ like_likes_ make_makes_take takes_ love_loves_ recite_recites_become_becomes_come_comes_drive_drives_leave_leaves
3、wake_wakes_ride_rides_write_ writes give_gives_see_sees_swim_swims stop_stops_ plan_plans get_gets_sit_sits_let_lets_ cut_cuts_run_runs_ begin_begins_wash_washes_watch_watches_ finish_finishes_teach_teaches_fish_fishes_reach_reaches_go_goes_do_does_二、一般现在时的构成：1、当谓语动词是be 动词am, is ,are时， 1）肯定句式 主语 am/
4、 are/ is 其他。2）否定句式 主语 am/ are/ is not 其他。 3）一般疑问句 : Am/ Is/ Are 主语 其他？肯定回答 Yes, 主语（必须是代词） am/ is/ are 否定回答 No, 主语（必须是代词） am/ is/ are note.g.：Danny is a good student. Danny isnt a good student. Is Danny a good student? Yes, she is. No,she isnt.2、当谓语动词是行为动词（实义动词）时1）当主语是第一人称 (I / we) ; 第二人称 (you) 及第三人称
5、复数 (they及复数的名词)时：肯定句 主语 行为动词原形 其他 否定句 主语 dont 行为动词原形 其他 一般疑问句 Do 主语 行为动词原形 其他 肯定回答 Yes, 主语（必须是代词）do 否定回答 No, 主语（必须是代词）donte.g.：They have lunch at 12:00. They dont have lunch at 12:00. Do they have lunch at 12:00? Yes, they do. No, they dont.2）当主语是第三人称单数 (she/ he/ it及单数的名词) 时肯定句 主语 行为动词的单三形式 其他 否定句 主
6、语 doesnt 行为动词原形 其他一般疑问句 Does 主语 行为动词原形 其他 肯定回答 Yes, 主语（必须是代词） does 否定回答 No, 主语（必须是代词） doesnte.g.：Jenny speaks English very well. Jenny doesnt speak English very well. Does Jenny speak English very well? Yes, she does. No, she doesnt.练习一、用括号里面词的适当形式填空1.-How_are_ you? -I_am_ fine. (be)2.I_am_ David,an
7、d my family name_is_ Green. (be)3.-What color _is_ your clock? -It_is_ white. (be)4.-What_is_ this in English?-It_is_ an apple. (be)5.Toy_is_my brother.David_is_my brother,too.They _are_ my brothers. (be)6.Look!These_are_apple trees. (be)7.We_are_ good students and you_are_ a good teacher. (be)8.My
8、sister and my brother_are_ students. (be)9._Is_your card number 5578? (be)10.Where_are_ your pencils? (be)11.How much _is_ his jacket? (be) 12_Does_ her sister _have_ (have) a tennis racket?13._Does_ your friend _like_ (like) basketball?14.We _play_ (play) football every day.15.It_sounds_ (sound) ve
9、ry well.16.Jim _wants_ (want) an orange.17.My mother _watches_(watch)TV in the evening.18._Do_ you _like_ (like) English?19. Mike and Li Lei _dont like_ (not like) eggs.20.What color_do_ your sister_like_ (like)?21.She _knows_ (know) a little English. 二、选择最佳选项（ A ）1. - _ you _ any empty bags? - Yes,
10、 I _. A. Do; have; do B. Are;have;do C.Are;having;am D.Do;have;am ( C ) 2. - Do you have a TV? - _. A. Yes, I have. B. Yes, we have. C. Yes, we do. D. No, I do. ( C ) 3. _ a tennis racket? A. Are you B. Does you have C. Do you have D. Do you are ( C ) 4. I _ have a tennis racket. A. am not B. isn;t
11、C.dont D. cant ( B ) 5. Tony _ a baseball, but he doesnt _ a baseball bat. A. have;has B. has; have C. have;have D. has;has ( A ) 6. Lets _ basketbal. A. play B.plays C. playing D. to play ( A ) 7. That _ boring. I dont like it. A. sounds B. sound C. is sound D. sound is ( B ) 8. Jack and Tom _ four pencils. A. has B. have C. are D. is ( D ) 9. I play _ basketball every day. A. the B. a C. an D. / ( C ) 10. - Tom, let _ thank Sally! - OK. _ is so nice. A. I; She B. me; Her C. us; She D. her; Her ( A ) 11. - Lets go home. -_. A. All right. B. Here you are. C. Youre welcome. D. Right.
