初一英語一般現(xiàn)在時態(tài)講解

1、百度文庫初一英語一般現(xiàn)在時態(tài)講解一、定義與講解一般現(xiàn)在時表示經(jīng)常或習(xí)慣性的動作或一般性事實(shí)。也可表示現(xiàn)在的狀態(tài)或 主語具備的性格和能力。通常與副詞every day (每天),always (總是)，usually (通常)，often (經(jīng)常) sometimes (有時)，等時間狀語連用。例：(1)表示事物或人物的特征、狀態(tài)。The sky is blue天空是藍(lán)色的。Mary' s father isnaEnglish teacher.瑪麗的爸爸是一名英語老師。 /(2)表示經(jīng)常性或習(xí)慣性的動作。I go to school at seven every da或每天六點(diǎn)去上學(xué)。S

2、he plays sports every day.她每天者 B 做運(yùn)動。(3)表示客觀現(xiàn)實(shí)。The table has fouNeg源子有四條腿。There are 63 students in my class我們班有 63 個學(xué)生。(4)表示客觀真理，科學(xué)原理，自然現(xiàn)象，等客觀事實(shí)或格言諺語等。The sun rises in the east every day. 陽每天從東方升起。The earth goes around the su地球繞著太陽轉(zhuǎn)。(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、只有主語在 第三人稱單數(shù)時 在陳述句里面實(shí)義動詞用 三單形式工其他人稱(一，二，三復(fù))用 動詞原形。.I/ We like English very much. 我/我們非常喜歡英語。She/ He/His sisterlikes English very much. 她/他/她的妹妹非常喜歡英語動詞三單形式的變化規(guī)則：/1. (1)多數(shù)直接在動詞詞尾加-s.play plays like likes ask-askswork-worksget-getscall-calls(2) 以 字母 s, x, ch, sh或 o結(jié)尾

4、的動詞, 在詞尾直接 力口-es.watch-watches wash-washes do-doesgo-goes(3)以 輔音字母加-y”結(jié)尾的動詞,要先 變y為i再加-estry-triesstudy-studiescry-cries fly-flies2.不規(guī)則變化：be- ishave-has一般現(xiàn)在時態(tài)肯定句式：分為含有be動詞和實(shí)義動詞的兩種情況:一.含有be動詞的一般現(xiàn)在時的句式：肯定句式：主語 +be+表語(n./adj等).He is a worker.他是個老師You are nine.你 9 歲。They are in the classroom. 他們在教室里面含有be

5、動詞一般現(xiàn)在時態(tài)的句子轉(zhuǎn)換：(1)變一般疑問旬：當(dāng)句子中 有be動詞或情態(tài)動詞 時,則把 be動詞或情態(tài)動 詞(can,must等)提到句子的最前面，句末改問號。(口訣：變疑問并不難，be/情態(tài)動詞提最前);一般疑問句句式：Be+主語+表語？.He is a teacher. 他是個老師。一般疑問句 一 Is he a teacher?他是個老師嗎？Yes, he is./No, he isn是的.，他是。/不，他不是。I am eight . 我 8 歲。一般疑問句 一 Are you eight? 你8歲了嗎？Yes,I am./No, I 'm not. 是的，我是 / 不，不是

6、。They are in the classroom.他們在教師里面。一般疑問句 fAre they in the classroom?他們在教室里面嗎？Yes, they are./ No, they aren '層的，他們在/不，他們不在。4) I can play soccer.我會踢足球。一般疑問句一 Can you play soccer?你會踢足球嗎？Yes,I can./ No, I can(t.是的，我會/不，我不會。(2)變否定句：在be動詞或情態(tài)動詞后面 直接加not變成否定句.(口訣：變否定最容易：not緊緊跟著 be/IW態(tài)動詞)否定句句式：主語 +be+ no

7、t+表語：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.我會踢足球。否定句 I can not /cant play soccer. 我不會踢足球。/ The students and their teacher are here.學(xué)生和他們的老師都在這兒。否定句The students and their teacher aren ' t here.學(xué)生和他們的老 師都不在這兒。注意：對一般疑問句的回答:/一般用什么問就用什么來回答。/例：Is she your frien

8、d?她是你的朋友嗎？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.當(dāng)句子中沒有be動詞和情態(tài)動詞，只含有實(shí)義動詞時，句式如下：

9、(1)肯定句：主語(I/We/You/They/)+實(shí)義動詞+其他 .I know the girl.我認(rèn)識那個女孩。They always ask the teacher questions.他彳門總是問老師問題。主語(He/She/It/)+實(shí)義動詞三單形式+其他 .Lucy plays sports every day. 露西每天者B要運(yùn)動。He watches TV every evening.他每天晚上都看電視。(2)一般疑問句：變一般疑問句時，在主語前加助動詞do或者does來變成一般疑問加；O 當(dāng)句子主語是 I, we, you,以及復(fù)數(shù)時,句首加 do。當(dāng)句子主語是第三人稱單數(shù)

10、 she,he,it.等時, 句首加 does。注意：加了助動詞does,這時謂語動詞要還原(用動詞原形);另外，句子末尾 用問號。A.主語是I/we/you/they/等時：疑問句式：Do+主語+動詞原形+其他？. I have two sisters and a brother.一般疑問句Do you have two sisters and a brother.?Yes, I do./ No, I don't. The boys play soccer every day.一般疑問句 Do the boys play soccer every day?Yes, they do./

11、 No, they dorit.B.主語是he/she/it/等三單時：疑問句式： Does+主語+動詞原形+其他？.He/Mike/ My brother likes black schoolbags.他/邁克/我的哥哥喜歡黑色的書 包。f Doeshe/Mike/ your brother like black schoolbags?他/邁克/我的哥哥喜歡 黑色的書包嗎？Yes, he does./ No, he doesn.是的，他喜歡/不，他不喜歡。 She/ Gina / Our English teacher goes to school by bus.她/吉娜/我們的英語 老師坐

12、公共汽車去學(xué)校。fDoes she/ Gina/ your English teacher go to school by bus?她/吉娜/我們的 英語老師坐公共汽車去學(xué)校嗎？Yes, she does./ No, she doesn 是的，她是/ 不，她不是。（3）否定句：變否定何時,在主語后謂語動詞前加助動詞 don'或者doesn'變成否定句,切 記：助動詞后的動詞還原成動詞原形。O 當(dāng)句子主語是 I, we, you,以及復(fù)數(shù)日寸，加 don't構(gòu)成否定句。當(dāng)句子主語是第三人稱單數(shù) she,he,it等時，力口 doesn't構(gòu)成否定句。陳述句： We

13、 go to school at 7:00 every morning.我每天早上7點(diǎn)去上學(xué)否定句We don' go to school at 7:00 every morning.我每天不是 7 點(diǎn)去上學(xué)陳述句：Shehas a brother. 她有個哥哥。否定句一 She doesn' have a brother. 她沒有哥哥。在一般現(xiàn)在時中，當(dāng)主語是第三人稱單數(shù)時,謂語動詞要用第三人稱單 數(shù)形式,即常在動詞原形后加-s/-es度y為 0.（注意：只在肯定句/陳述旬里面 動詞用三單形式,在其它所有句型里動詞都用原形）。但有些同學(xué)們對于哪些主語是 第三人稱單數(shù) 還不十分

14、清楚,現(xiàn)歸納總結(jié)如下：人稱代詞 he, she, it是第三人稱單數(shù) 。如：He likes watching TV.他喜歡看電視。She has lunch at twelve.她十二點(diǎn)吃午餐。二、單個人名、地名或稱呼作主語；是第三人稱單數(shù)。如:Han Mei likes salsd .韓梅喜歡薩拉。Beijing is in China.北京在中國。Uncle Wang often plays volleyball.王叔叔經(jīng)常打排球。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、是第三人稱單數(shù)。 如：This book is yours.

15、這本書是你的。That car is red.The cat is Lucy's.這只貓是露茜的。四、不定代詞 someone, somebody, nobody, everything, something 等及指示代詞 this, that 作豐語時： 是第三人稱單數(shù)。Everyone is here.大家至U齊了。/ There is a watch on the table.桌上有塊手表。This is a pen.這是一支鋼筆。 That is an eraser.五、不可數(shù)名詞作主語時為第三人稱單數(shù) 。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、當(dāng)數(shù)字或字母作。語時，看作第三人稱單數(shù)。如："6" is a lucky number. "6"是個吉禾數(shù)字。"I" is a letter. "I"是個字母。L般現(xiàn)在時用法專緲鞏固練習(xí)題：一.用Be動詞填空。be動詞口訣:I 用 am, you 用 are, is 連著 he /she /it,單數(shù)名詞用is,復(fù)數(shù)名詞都用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.寫出下列動詞的第 三人稱里數(shù)形式。havelikedrinkgostaymakelookhavecomewatchaskflydostudyteachsoundletwash_ carry _ play_三.用所給動詞的適當(dāng)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 務(wù))every day.三.按照要求改寫句子/1. This is my pencil ?(變一般疑問句) your pencil ? Yes,2. These red hats are Kate ' s （一般疑問句）hats Kate ' S No, 3. Mary hasbooks .（變一般疑問句） Mary books ?4. She likes the black bag very much （變一般疑問句） she / the black bag very much? No, she.5. I like apple

20、s.（變一般疑問句）you apples ?6. It ansEnglish dictionary .（變一般疑問句） English dictionary?7. He has a computer and a modile plane（變一般疑問句） he a computer and a modile plane? Yes, he四、按照要求改寫句子1. She is a good student.（改為否定句）She a student.2. We play tennis every day.（改為否定句）We every day.3. The students like the tea

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

22、y evening.8. John plays basketball after school every afternoon改為否定句）John basketball after school every afternoon一般現(xiàn)在時態(tài)句型轉(zhuǎn)換（七年級上冊unit1-5）1. Thisis awhite key.（X寸畫線部分進(jìn)行提問）2. Ben's bagis yellow and red .（對畫線部分進(jìn)行提問）3. Hernameis Gina.（對畫線部分進(jìn)行提問）4. Myphonenumber is 673-8220.（對畫線部分進(jìn)行提問）5. The boy is Jack.（對畫線部分進(jìn)行提問）6. The picture is on the wall.（對畫線部分進(jìn)行提問）7. The balls are in the bookcase.（對畫線部分進(jìn)行提問）8. He is Johnny.（改為一般疑問句）9. The baseballs are under the bed.（改為一般疑問句）10. He has a tennis racket.（改為一般疑問句）11. I hav