初一英语一般现在时态讲解

1、百度文库初一英语一般现在时态讲解一、定义与讲解一般现在时表示经常或习惯性的动作或一般性事实。也可表示现在的状态或 主语具备的性格和能力。通常与副词every day (每天),always (总是)，usually (通常)，often (经常) sometimes (有时)，等时间状语连用。例：(1)表示事物或人物的特征、状态。The sky is blue天空是蓝色的。Mary' s father isnaEnglish teacher.玛丽的爸爸是一名英语老师。 /(2)表示经常性或习惯性的动作。I go to school at seven every da或每天六点去上学。S

2、he plays sports every day.她每天者 B 做运动。(3)表示客观现实。The table has fouNeg源子有四条腿。There are 63 students in my class我们班有 63 个学生。(4)表示客观真理，科学原理，自然现象，等客观事实或格言谚语等。The sun rises in the east every day. 阳每天从东方升起。The earth goes around the su地球绕着太阳转。(5)表示平日的喜好。I like bananas. We don't like vegetables.He likes bl

3、ue.She doesn t like strawberries.二、只有主语在 第三人称单数时 在陈述句里面实义动词用 三单形式工其他人称(一，二，三复)用 动词原形。.I/ We like English very much. 我/我们非常喜欢英语。She/ He/His sisterlikes English very much. 她/他/她的妹妹非常喜欢英语动词三单形式的变化规则：/1. (1)多数直接在动词词尾加-s.play plays like likes ask-askswork-worksget-getscall-calls(2) 以 字母 s, x, ch, sh或 o结尾

4、的动词, 在词尾直接 力口-es.watch-watches wash-washes do-doesgo-goes(3)以 辅音字母加-y”结尾的动词,要先 变y为i再加-estry-triesstudy-studiescry-cries fly-flies2.不规则变化：be- ishave-has一般现在时态肯定句式：分为含有be动词和实义动词的两种情况:一.含有be动词的一般现在时的句式：肯定句式：主语 +be+表语(n./adj等).He is a worker.他是个老师You are nine.你 9 岁。They are in the classroom. 他们在教室里面含有be

5、动词一般现在时态的句子转换：(1)变一般疑问旬：当句子中 有be动词或情态动词 时,则把 be动词或情态动 词(can,must等)提到句子的最前面，句末改问号。(口诀：变疑问并不难，be/情态动词提最前);一般疑问句句式：Be+主语+表语？.He is a teacher. 他是个老师。一般疑问句 一 Is he a teacher?他是个老师吗？Yes, he is./No, he isn是的.，他是。/不，他不是。I am eight . 我 8 岁。一般疑问句 一 Are you eight? 你8岁了吗？Yes,I am./No, I 'm not. 是的，我是 / 不，不是

6、。They are in the classroom.他们在教师里面。一般疑问句 fAre they in the classroom?他们在教室里面吗？Yes, they are./ No, they aren '层的，他们在/不，他们不在。4) I can play soccer.我会踢足球。一般疑问句一 Can you play soccer?你会踢足球吗？Yes,I can./ No, I can(t.是的，我会/不，我不会。(2)变否定句：在be动词或情态动词后面 直接加not变成否定句.(口诀：变否定最容易：not紧紧跟着 be/IW态动词)否定句句式：主语 +be+ no

7、t+表语：例：She is my sister. 她是我的妹妹。否定旬一 She is not my sister.她不是我的妹妹。I can play soccer.我会踢足球。否定句 I can not /cant play soccer. 我不会踢足球。/ The students and their teacher are here.学生和他们的老师都在这儿。否定句The students and their teacher aren ' t here.学生和他们的老 师都不在这儿。注意：对一般疑问句的回答:/一般用什么问就用什么来回答。/例：Is she your frien

8、d?她是你的朋友吗？Yes, she is./ No, she isn是的，、她是/不， 她不是。但以下例外：Is this a pencil? Yes , it is./ No, it isn t.'Is that your backpack? Yes , it is./ No, it isn t.Are these your parents? Yes, they are./ No, they arent.Are those Jim s brothers? Yes, they are./ No, they are nt.二.当句子中没有be动词和情态动词，只含有实义动词时，句式如下：

9、(1)肯定句：主语(I/We/You/They/)+实义动词+其他 .I know the girl.我认识那个女孩。They always ask the teacher questions.他彳门总是问老师问题。主语(He/She/It/)+实义动词三单形式+其他 .Lucy plays sports every day. 露西每天者B要运动。He watches TV every evening.他每天晚上都看电视。(2)一般疑问句：变一般疑问句时，在主语前加助动词do或者does来变成一般疑问加；O 当句子主语是 I, we, you,以及复数时,句首加 do。当句子主语是第三人称单数

10、 she,he,it.等时, 句首加 does。注意：加了助动词does,这时谓语动词要还原(用动词原形);另外，句子末尾 用问号。A.主语是I/we/you/they/等时：疑问句式：Do+主语+动词原形+其他？. I have two sisters and a brother.一般疑问句Do you have two sisters and a brother.?Yes, I do./ No, I don't. The boys play soccer every day.一般疑问句 Do the boys play soccer every day?Yes, they do./

11、 No, they dorit.B.主语是he/she/it/等三单时：疑问句式： Does+主语+动词原形+其他？.He/Mike/ My brother likes black schoolbags.他/迈克/我的哥哥喜欢黑色的书 包。f Doeshe/Mike/ your brother like black schoolbags?他/迈克/我的哥哥喜欢 黑色的书包吗？Yes, he does./ No, he doesn.是的，他喜欢/不，他不喜欢。 She/ Gina / Our English teacher goes to school by bus.她/吉娜/我们的英语 老师坐

12、公共汽车去学校。fDoes she/ Gina/ your English teacher go to school by bus?她/吉娜/我们的 英语老师坐公共汽车去学校吗？Yes, she does./ No, she doesn 是的，她是/ 不，她不是。（3）否定句：变否定何时,在主语后谓语动词前加助动词 don'或者doesn'变成否定句,切 记：助动词后的动词还原成动词原形。O 当句子主语是 I, we, you,以及复数日寸，加 don't构成否定句。当句子主语是第三人称单数 she,he,it等时，力口 doesn't构成否定句。陈述句： We

13、 go to school at 7:00 every morning.我每天早上7点去上学否定句We don' go to school at 7:00 every morning.我每天不是 7 点去上学陈述句：Shehas a brother. 她有个哥哥。否定句一 She doesn' have a brother. 她没有哥哥。在一般现在时中，当主语是第三人称单数时,谓语动词要用第三人称单 数形式,即常在动词原形后加-s/-es度y为 0.（注意：只在肯定句/陈述旬里面 动词用三单形式,在其它所有句型里动词都用原形）。但有些同学们对于哪些主语是 第三人称单数 还不十分

14、清楚,现归纳总结如下：人称代词 he, she, it是第三人称单数 。如：He likes watching TV.他喜欢看电视。She has lunch at twelve.她十二点吃午餐。二、单个人名、地名或称呼作主语；是第三人称单数。如:Han Mei likes salsd .韩梅喜欢萨拉。Beijing is in China.北京在中国。Uncle Wang often plays volleyball.王叔叔经常打排球。三、单数可数名词或"this /that / the+单数可数名词"作主语时、是第三人称单数。 如：This book is yours.

15、这本书是你的。That car is red.The cat is Lucy's.这只猫是露茜的。四、不定代词 someone, somebody, nobody, everything, something 等及指示代词 this, that 作丰语时： 是第三人称单数。Everyone is here.大家至U齐了。/ There is a watch on the table.桌上有块手表。This is a pen.这是一支钢笔。 That is an eraser.五、不可数名词作主语时为第三人称单数 。如：The milk （牛奶）is in the glass.牛奶在玻璃

16、杯里。/The bread is very small.那面包很小。六、当数字或字母作。语时，看作第三人称单数。如："6" is a lucky number. "6"是个吉禾数字。"I" is a letter. "I"是个字母。L般现在时用法专缈巩固练习题：一.用Be动词填空。be动词口诀:I 用 am, you 用 are, is 连着 he /she /it,单数名词用is,复数名词都用are1. Are you Li Fen ? No, I not .2. Mr. Green very good ? Ye

17、s , he3. .These books very interesting .4. What class you in ?5. You and I good friends .6. The basketball club fun .二.写出下列动词的第 三人称里数形式。havelikedrinkgostaymakelookhavecomewatchaskflydostudyteachsoundletwash_ carry _ play_三.用所给动词的适当形式填空。1. I(have) two sisters and my mother(have) only one brother.2. M

18、iss Xie(have ) a brown bag and two red jackets.3. We(like) our English teacher.4. Tom( go) to school at 7o clock.5. Li Song(watch) TV at home.6. You and I (play ) volleyball every day.7. That( sound) interesting.8. My fatherJlet) me get the baseball bats.9. Those girls(ask) the teacher for it.10. Au

19、nt Jenny(do) housework(C 务)every day.三.按照要求改写句子/1. This is my pencil ?(变一般疑问句) your pencil ? Yes,2. These red hats are Kate ' s （一般疑问句）hats Kate ' S No, 3. Mary hasbooks .（变一般疑问句） Mary books ?4. She likes the black bag very much （变一般疑问句） she / the black bag very much? No, she.5. I like apple

20、s.（变一般疑问句）you apples ?6. It ansEnglish dictionary .（变一般疑问句） English dictionary?7. He has a computer and a modile plane（变一般疑问句） he a computer and a modile plane? Yes, he四、按照要求改写句子1. She is a good student.（改为否定句）She a student.2. We play tennis every day.（改为否定句）We every day.3. The students like the tea

21、cher .（改为否定句）The students the teacher.4. Simon and Daniel have a ping-pong bat（改为否定句）Simon and Daniel a ping-pong bat5. She has some white baseballs .（改为否定句）She any white baseballs6. Miss Xie teaches us Chinese.（改为否定句）Miss Xie us Chinese7. Her sister watches TV every evening（改为否定句）Her sister TV ever

22、y evening.8. John plays basketball after school every afternoon改为否定句）John basketball after school every afternoon一般现在时态句型转换（七年级上册unit1-5）1. Thisis awhite key.（X寸画线部分进行提问）2. Ben's bagis yellow and red .（对画线部分进行提问）3. Hernameis Gina.（对画线部分进行提问）4. Myphonenumber is 673-8220.（对画线部分进行提问）5. The boy is Jack.（对画线部分进行提问）6. The picture is on the wall.（对画线部分进行提问）7. The balls are in the bookcase.（对画线部分进行提问）8. He is Johnny.（改为一般疑问句）9. The baseballs are under the bed.（改为一般疑问句）10. He has a tennis racket.（改为一般疑问句）11. I hav