1、1七、动词及句型转换1、 动词的种类(四类) （1 ）系动词：如 be 动词(is am are)；become，sound 等 （2 ）情态动词如 can 、may、need ；（3 ）助动词（ do does） ；（4 ）行为动词如 take 、bring、eat、have(has)、like、sell、buy、play 、see 、go 、watch 等 2、 动词的第三人称单数（与名词的复数一样 ） 如 eat(eats) take (takes) buy (buys) play (plays) have(has) are (is)3、 动词的时态（一般现在时 ）（ 1）含有 be 动
2、词的 有 be 动词的句子在变一般疑问句时，将 be 动词放到句首， （注意第一人称变为第二人称 Are you a Chinese boy ? Is she twelve ? Is he Tims brother ?含有be动词的句子在变否定句时只须在“be 动词后+not ”， 注意： someany andorIm not a Chinese boy. She isnt twelve .He is not Tims btother . Her mother isnt an English teacher .(2)含有情态动词的句子 （ can 等，以 can 为例 ）, She can
3、play basketball. His mothers cousin can sing many English songs. 含有情态动词的句子在变一般疑问句时只须将“情态动词放到句首” ，Can she play basketball ? Can his mothers cousin sing many English songs ?含有情态动词的句子在变否定句时直接在情态动词的后边加上not 。注意： someany andor例：She can not play basketball .His mothers cousin can not sing many English song
4、s .(3)含有行为动词的句子We have many friends. They watch TV at 7 in the evening .The students take their books to school .I have lunch at school . You have a sister .含有行为动词的句子在变一般疑问句时要在原句子的前面加 do. 1Do you have many friends ?Do they watch TV at 7 in the evening ?含有行为动词的句子在变否定句时只须在行为动词前加dont . 2注意： someany and
5、orWe dont have many friends.They dont watch TV at 7 in the evening .含有行为动词的句子，当主语是第三人称单数时，行为动词要加 s (或 es)如： 3She has a red pen .He has eggs for breakfast .Her mother buys a skirt for her .She likes thrillers .2My brother watches TV every evening .He wants to go to a movie .含有行为动词的句子，当主语是第三人称单数时，变一般疑
6、问句要“加 does ,行为动词要还原” 。Does she have a red pen ? Does her mother buy a skirt for her ? 含行为动词的句子，当主语是第三人称单数时，变否定句时“在行为动词前面加doesnt , 同时原行为动词要还原” 。 注意： someany andorShe doesnt have a red pen . He doesnt have eggs for breakfast .Her mother doesnt buy a skirt for her . She doesnt like thrillers .My brothe
7、r doesnt watch TV every evening .He doesnt want to go to a movie .练习、be 动词： be 动词有三兄弟：is，am, are 。I(我) 用 am, you(你)用 are, is 跟着 he(他) she(她) it(它) ，we(我们) you(你们)和 they(他们)，复数（两人以上）永远连着 are.(1)、在下面的题目中填上恰当的 Be 动词。1. I _ Kitty. 2. She _ a student.3. Jane and Tom _my friends. 4. My sisters _ tall.5. I
8、 _ at school now. 6. We _ students.7. They _ in the zoo. 8. Yang Ling _ ten years old.9. Where _ your friends? 10. How old _ you? (2)、在下面的短文中填上恰当 be 动词。I _ a girl. My name _ Mary. I _ 12 years old. Here _ my family photo. Look! These _ my parents and those _ my grandparents. This boy _ my brother. H
9、e _ 15 years old now. That _ my cat, Mimi. It _ very lovely.（3 ） 、在横线上填写 be 动词的正确形式，然后变成一般疑问句并做肯定与否定回答eg.： 1. I _am a boy. _Are_you a boy? Yes, I am/ No, I am not. 2. The girl_ his sister. 3. Miss Zhang _ a teacher. 4. This_ my dress. 5. That _ my red skirt. 2、主语（非第三人称单数）+ 行为动词原形+其他 （用助动词 do 帮助构成否定句
10、、一般疑问句和特殊疑问）主语（第三人称单数）+ 行为动词的第三人称单数+ 其他（用助动词 does 帮助构成否定句、一般疑问句和特殊疑问句）行为动词第三人称单数加-s 的形式31.- s 2. 辅音+y: study-studies 3.以 s,x,ch,sh 结尾 watch-watches teach-teaches4 特殊 have-has do-does go-goesdo 类动词（行为动词）用原型或第三人称单数形式。“原形动词 + s / es”构成“第三人称单数形式”,与单数名词变复数名词方法一样。(1)、一般情况,动词后直接加 s (清辅音后读 / s /,浊辅音后读/ z /)
11、例如:brings 带来 calls 打电话 meets 遇见 needs 需要(2)、以字母 e 结尾的动词,直接加 s (读 / z /) 例如:likes 喜欢 takes 带走(3)、以字母 s x ch sh o 结尾的动词 ,加 es ( 读 / z / 或 / Iz/)例如: does 做 goes 走,去 watches 观看(4)、以“辅音字母 + y”结尾的名词,变 y 为 i,加 es (读 / z /)例如: study studies 学习( 思考:enjoy play have 的第三人称单数形式是 )练习：.1)His parents _(watch) TV ev
12、ery night. 1) My brother _(do) homework every day.2)His parents _(not watch) every night.否定句 2)My brother_(not do)homework every day.3)_ _his parents_ _(watch) TV every night? Yes, they _. No, they _.一般疑问句 3)_ your brother _ _ （do）homework every day?Yes, he_. No, he _.4)When_ _ his parents _ _(watch
13、) TV? They watch TV every night.特疑问句 4)When _ your brother _(do) homework? He does homework every day.本块习题:用所给词的正确形式填空1、I _ _have_ ( have ) a soccer ball .2、She _has_ ( have ) two _ ( pingpongball ) .3、He _plays_ ( play ) sports every day .4、We _speak_ ( speak ) English .5、Tom _calls_ ( call ) Jim e
14、very day .6、My daughter _likes_ ( like ) apples .7、His friend_knows_ （know） English .8、The girl _studies_ ( study ) English sometimes .9、The boy often _watches_（watch） TV .10、Her uncle _goes_ ( go ) home on foot本块练习题 把下列肯定句变成否定句、一般疑问句,并作简略回答。1、They like computers .否:They _dont _ _like_ computers .疑:
15、_Do_they_like_ computers ? _Yes, they do_-2、He has a sports club .4否: He _has_ _not_ a sports club .疑:_Does _he_has_ a sports club ? _Yes, he does_3、 We watch TV sometimes .否:We _dont_ _watch_ TV sometimes .疑:_Do_ _they_ _watch _ TV sometimes ? _Yes, they do_4、Tom often plays computers .否:Tom _doesn
16、t_ often_play_computer games .疑:_Does _ Tom often _play_ computer games ? _Yes, he does_4、She has some basketballs .否:She _has_ _not_ _any_ basketballs .疑:_Does _ she _has_ _any_ basketballs ? _Yes, she does_6、I enjoy playing sports every day .否:I _dont_ _play_ playing sports every day .疑:_Do_ _you_
17、 _enjoy_ playing sports every day ? _Yes, I do _7、. My daughter calls me sometimes .否:My daughter _doesnt_ _call_ me sometimes .疑:_Does _ _your_ daughter _call_ me sometimes ? _Yes, she does_8、The girl speaks English and Chinese .否:The girl _doesnt_ _speak_ English_or_ Chinese .疑:_Does_ the girl _sp
18、eak_ English _or_ Chinese ? _Yes, she does_练习：1、Tom likes some fruits for lunch(一般疑问句) ._Does_ Tom _like_ _any_ fruits for lunch ?2、I like vegetables for dinner(同上) ._Do_ _you_ like vegetables for dinner?3、The running star has lots of healthy food( 否定句) .The running star_has_ _not_ lots of healthy f
19、ood4、They have a lot of chichen . (同上)They _have_ _not_ a lot of chichen5、Do you run in the morning every day ? (假设是,回答) _Yes, I do_6、Does your friend enjoy fruits for lunch ? (假设不是,回答)_No, she doesnt_7、A lot of people like eating healthy food .(同义句)_Lots of_ people like _eating_ healthy food练习题 (一)
20、 、把下列含 be 的肯定句 先变成否定句,再变成一般疑问句,然后做一般疑问句。肯定句 否定句 一般疑问句 肯定回答否定回答1、肯定句 This is my pencil . (这是我的铅笔)否定句 This _isnt_my pencil . (这不是我的铅笔)一般疑问句 _Is_ this_your_ pencil ? (这是你的铅笔吗)肯定回答 _Yes, it is_. 否定回答. _No, it isnt_2、肯定句 That is my eraser .(那是我的橡皮擦)5否定句 That _isnt my_eraser . (那不是我的橡皮擦 )一般疑问句 _Is_ that _
21、your_eraser ? (那是你的橡皮擦 )肯定回答 _Yes, it is_ 否定回答 _No, it isnt_3、肯定句 These are my pens . (这些是我的钢笔)否定句 These_are not_ my pens . (这些不是我的钢笔 )一般疑问句 _Are_ these _your_pens ? (这些是你的钢笔吗)肯定回答 _Yes_. 否定回答 _No_ .4、肯定句 Those are his baseballs . (那些是他的棒球 )否定句 Those _arent_his baseballs . (那些不是他的棒球 )一般疑问句 _Are_thos
22、e _his_ pens ? (那些是他的棒球吗)肯定回答 _ 否定回答 _5 、肯定句 I am Helen (我是海伦)否定句 _Im_ _not_Helen . (我不是海伦)一般疑问句 _Are_ _you_Helen . (你是海伦吗)肯定回答 _. 否定回答 _ .6 、肯定句 It is her notebook . (它是她的笔记本)否定句 It _isnt_her notebook . (它不是她的笔记本)一般疑问句 _Is_ _it_ her notebook ? (它是她的笔记本吗)肯定回答 _. 否定回答 _ .7、肯定句 A lot of keys are in the pencilcase .(许多钥匙在铅笔合里)否定句 A lot of keys _are not_in the pencilcase .(许多钥匙不在铅笔盒里)一般疑问句 _Are_a lot of keys in the pencilcase ? (许多钥匙在铅笔盒里吗？)肯定回答 _. 否定回答 _ .
