初一英語(yǔ)一般現(xiàn)在時(shí)態(tài)講解8

1、初一英語(yǔ)一般現(xiàn)在時(shí)態(tài)講解一、定義與講解一般現(xiàn)在時(shí)表示經(jīng)?；蛄?xí)慣性的動(dòng)作或一般性事實(shí)。也可表示現(xiàn)在的狀態(tài)或主語(yǔ)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(shí))，等時(shí)間狀語(yǔ)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(yǔ)老師。(2)表示經(jīng)常性或習(xí)慣性的動(dòng)作。I go to school at seven every day.我每天六點(diǎn)去上學(xué)。She

2、plays sports every day.她每天都做運(yùn)動(dòng)。(3)表示客觀現(xiàn)實(shí)。The table has four legs.桌子有四條腿。There are 63 students in my class.我們班有 63 個(gè)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(yǔ)等。The sun rises in the east every day.太陽(yáng)每天從東方升起。The earth goes around the sun 地球繞著太陽(yáng)轉(zhuǎn)。表示平日的喜好。I like bananas.We don't like vegetables.He likes blue.

3、She doesn't like strawberries.二、只有主語(yǔ)在 第三人稱(chēng)單數(shù)時(shí) 在陳述句里面實(shí)義動(dòng)詞 用 三單形式”，其他人稱(chēng)(一,二，三復(fù))用動(dòng)詞原形。e.g. I/ We like English very much.我/我們非常喜歡英語(yǔ)。She/ He/His sister likes English very much.她/他/她的妹妹非常喜歡英語(yǔ)動(dòng)詞三單形式的變化規(guī)則：1. (1)多數(shù)直接在動(dòng)詞詞尾加-s.play - plays like - likes ask-askswork-worksget-getscall-calls(2) 以字母 s, x, ch,

4、sh或。結(jié)尾的動(dòng)詞 ,在詞尾直接 力口-es.watch-watches wash-washesdo-doesgo-goes(3)以 輔音字母加 -加結(jié)尾的動(dòng)詞,要先 變y為i再力口 -estry-triesstudy-studiescry-cries fly-flies2.不去見(jiàn)則變4h：be- is have-has動(dòng)詞的第三人稱(chēng)單數(shù)構(gòu)成方法例子在詞尾加-smake-make s/s/以s, x, sh, ch結(jié)尾的動(dòng)詞加-esteach-teaches /iz/wash-washes/iz/以o結(jié)尾的動(dòng)詞加-esgo-goes do-does /z/以輔音字母+y結(jié)尾的動(dòng)詞先變y為i,再

5、力口 -escarry-carries/iz/study-studies /iz/不規(guī)貝U變化：have-has寫(xiě)出下列動(dòng)詞的三單形式talk forget hope stop perform play buyguess fly study like make swim haveshop wash watch say finish teach fishsearch go do一般現(xiàn)在時(shí)態(tài)肯定句式：分為含有be動(dòng)詞和實(shí)義動(dòng)詞的兩種情況:一.含有be動(dòng)詞的一般現(xiàn)在時(shí)的句式：肯定句式：主語(yǔ) +be+表語(yǔ)（n./adj等）e.g.He is a worker. 他是個(gè)老師You are nine.你

6、9 歲。They are in the classroom.他們?cè)诮淌依锩婧衎e動(dòng)詞一般現(xiàn)在時(shí)態(tài)的句子轉(zhuǎn)換：（1）變一般疑問(wèn)句：當(dāng)句子中 有be動(dòng)詞或情態(tài)動(dòng)詞 時(shí),則把be動(dòng)詞或情態(tài)動(dòng)詞（can,must 等）提到句子的最前面，句末改問(wèn)號(hào)。（口訣：變疑問(wèn)并不難，be/情態(tài)動(dòng)詞提最前）;一般疑問(wèn)句句式：Be+主語(yǔ)+表語(yǔ)？e.g. He is a teacher. 他是個(gè)老師。一般疑問(wèn)句 一 Is he a teacher?他是個(gè)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(wèn)句 一 Are you eight? 你8

7、歲了嗎？Yes,I am./No, I 'm not. 是的，我是 / 不，不是。They are in the classroom.他們?cè)诮處熇锩?。一般疑?wèn)句 fAre they in the classroom?他們?cè)诮淌依锩鎲?？Yes, they are./ N o, they aren '是的，他們?cè)?不，他們不在。4） I can play soccer.我會(huì)踢足球。一般疑問(wèn)句 一 Can you play soccer?你會(huì)踢足球嗎？Yes,I can./ No, I can't.是的，我會(huì)/不，我不會(huì)。（2）變否定句：在be動(dòng)詞或情態(tài)動(dòng)詞后面直接加not變

8、成否定句.（口訣： 變否定最容易：not緊緊總艮著 be/，倩杰動(dòng)詞）否定句句式：主語(yǔ) +be+ not+表語(yǔ)：例：She is my sister. 她是我的妹妹。否定句一 She is not my sister.她不是我的妹妹。I can play soccer.我會(huì)踢足球。否定句 一 I can not /can't play soccer. 我不會(huì)踢足球。The students and their teacher are here.學(xué)生和他們的老師都在這兒。否定句一 The students and their teacher aren ' t here.學(xué)生和他們

9、的老師都不在 注意：對(duì)一般疑問(wèn)句的回答:一般用什么問(wèn)就用什么來(lái)回答。例：Is she your friend?她是你的朋友嗎？Yes, she is./ No, she isn't. 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 aren't.Are those Jim's br

10、others? Yes, they are./ No, they aren't.二.當(dāng)句子中沒(méi)有 be動(dòng)詞和情態(tài)動(dòng)詞，只含有實(shí)義動(dòng)詞時(shí)，句式如下：(1)肯定句：主語(yǔ)(I/We/You/They/)+實(shí)義動(dòng)詞+其他e.g. I know the girl.我認(rèn)識(shí)那個(gè)女孩。They always ask the teacher questions. 他們總是問(wèn)老師問(wèn)題。主語(yǔ)(He/She/It/)+實(shí)義動(dòng)詞三單形式 +其他e.g. Lucy plays sports every day. 露西每天者 B 要運(yùn)動(dòng)。He watches TV every evening.他每天晚上都看電視。(

11、2)一般疑問(wèn)句：變一般疑問(wèn)句時(shí)，在主語(yǔ)前加助動(dòng)詞do或者does來(lái)變成一般疑問(wèn)句;O 當(dāng)句子主語(yǔ)是 I, we, you,以及復(fù)數(shù) 時(shí),句首加 do 。當(dāng)句子主語(yǔ)是第三人稱(chēng)單數(shù)she,he,it.等時(shí),句首加 does。注意：加了助動(dòng)詞does,這時(shí)謂語(yǔ)動(dòng)詞要還原(用動(dòng)詞原形);另外，句子末尾用 問(wèn)號(hào)。A.主語(yǔ)是 I/we/you/they/ 等時(shí)：疑問(wèn)句式：Do+主語(yǔ)+動(dòng)詞原形+其他？e.g. I have two sisters and a brother.一般疑問(wèn)句 Do_you have two sisters and a brother.?Yes, I do./ No, I don

12、't.e.g. The boys play soccer every day.一般疑問(wèn)句 Do_the boys play soccer every day?Yes, they do./ No, they don't.B.主語(yǔ)是he/she/it/等三單時(shí)：疑問(wèn)句式：Does+主語(yǔ)+動(dòng)詞原形+其他？e.g.He/Mike/ My brother likes black schoolbags.他/邁克/我的哥哥喜歡黑色的書(shū)包。f Doeshe/Mike/ your brother like black schoolbags? 他/邁克/我的哥哥喜歡黑色的書(shū)包 Yes, he do

13、es./ No, he doesn't.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(yǔ)老師坐公共汽車(chē) 去學(xué)校。f Does she/ Gina/ your English teacher _go_to school by bus?她/吉娜 /我們的英語(yǔ)老師坐Yes, she does./ No, she doesHt.是的，她是 / 不，她不是。(3)否定句：變否定句時(shí)，在主語(yǔ)后謂語(yǔ)動(dòng)詞前加助動(dòng)詞don'或者doesn'變成否定句,切記： 助動(dòng)詞后的動(dòng)詞還原成

14、動(dòng)詞原形。O 當(dāng)句子主語(yǔ)是I, we, you,以及復(fù)數(shù)時(shí),加 don't構(gòu)成否定句。O當(dāng)句子主語(yǔ)是第三人稱(chēng)單數(shù)she,he,it等時(shí)，加 doesn t構(gòu)成否定句。e.g陳述句： We go to school at 7:00 every morning.我每天早上 7點(diǎn)去上學(xué)否定句 一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：She has a brother.她有個(gè)哥哥。否定句 一 She doesn' have a brother.她沒(méi)有哥哥。冰在一般現(xiàn)在時(shí)中， 當(dāng)主語(yǔ)是第三人稱(chēng)單數(shù)時(shí),

15、謂語(yǔ)動(dòng)詞要用第三人稱(chēng)單數(shù)形式，即常在動(dòng)詞原形后加-s/-es度y為i+e皂（注意：只在肯定句/陳述句里面動(dòng)詞用三單形式， 在其 它所有句型里動(dòng)詞都用原形）。但有些同學(xué)們對(duì)于哪些主語(yǔ)是第三人稱(chēng)單數(shù) 還不十分清楚,現(xiàn)歸納總結(jié)如下：人稱(chēng)代詞 he, she, it是第三人稱(chēng)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(gè)人名、地名或稱(chēng)呼作主語(yǔ)；是第三人稱(chēng)單數(shù)。如:Han Mei likes salsd .韓梅喜歡薩拉。Beijing is in China. 北京在中國(guó)。 Uncle Wang often p

16、lays 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(yǔ)時(shí)，是第三人稱(chēng)單數(shù)。 如：This book is yours.這本書(shū)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, somethin舜及指示代詞 this, that 作 主語(yǔ)時(shí)，是第三人稱(chēng)單數(shù)。 Everyone is here. 大家至U齊了。There is a watch on the table.桌上

17、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(yǔ)時(shí)為第三人稱(chēng)單數(shù)。如：The milk （牛奶）is in the glass.牛奶在玻璃杯里。The bread is very small.那面包很小。六、當(dāng)數(shù)字或字母作主語(yǔ)時(shí)，看作第三人稱(chēng)單數(shù)。如："6" is a lucky number. "6"是個(gè)吉利數(shù)字。T is a letter. "I"是個(gè)字母。一、一般現(xiàn)在時(shí)：概念：經(jīng)常、反復(fù)發(fā)生的動(dòng)作或行為及現(xiàn)在的某種狀況。時(shí)間狀語(yǔ)：always, usually, o

18、ften,sometimes, every week （day, year, month），once a week, on Sundays, et基本結(jié)構(gòu)：be動(dòng)詞；行為動(dòng)詞否定形式：am/is/are+not; （isn't, aren't）此時(shí)態(tài)的謂語(yǔ)動(dòng)詞若為行為動(dòng)詞，則在其前加 don't,如主語(yǔ)為第三人稱(chēng)單數(shù)，則用 doesn't,同時(shí)還原行為動(dòng)詞。一般疑問(wèn)句：把 be動(dòng)詞放于句首；用助動(dòng)詞 do提問(wèn)，如主語(yǔ)為第三人稱(chēng)單數(shù)，則用does,同時(shí)，還原行為動(dòng)詞。即：含be動(dòng)詞的一般現(xiàn)在時(shí)結(jié)構(gòu)：肯定句：主語(yǔ)+ be+其它。否定句：主語(yǔ)+ be+not + 其它

19、。一般問(wèn)句：Be+主語(yǔ)+其它？特殊疑問(wèn)句：（特殊疑問(wèn)詞+一般疑問(wèn)句）特殊疑問(wèn)詞+be+主語(yǔ)+其它？含實(shí)義動(dòng)詞的一般現(xiàn)在時(shí)結(jié)構(gòu)：肯定句：主語(yǔ)+動(dòng)詞原形/動(dòng)詞三單形式+其它。否定句：主語(yǔ)+don't/doesn't+動(dòng)詞原形+其它。一般問(wèn)句： Do/Does+主語(yǔ)+動(dòng)詞原形+其它？特殊疑問(wèn)句：（特殊疑問(wèn)詞+一般疑問(wèn)句）特殊疑問(wèn)詞+do/does+主語(yǔ)+動(dòng)詞原形+其它?一般現(xiàn)在時(shí)態(tài)句型轉(zhuǎn)換（七年級(jí)上冊(cè)u(píng)nit1-5）1. Thisis awhite key.（對(duì)畫(huà)線部分進(jìn)行提問(wèn) ）2. Ben's bagis yellowand red .（對(duì)畫(huà)線部分進(jìn)行提問(wèn)）3. Hern

20、ameis Gina.（對(duì)畫(huà)線部分進(jìn)行提問(wèn)）4. Myphonenumber is673-8220.（對(duì)畫(huà)線部分進(jìn)行提問(wèn)）5. The boy is Jack.（對(duì)畫(huà)線部分進(jìn)行提問(wèn)）6. The picture is on the wall.（對(duì)畫(huà)線部分進(jìn)行提問(wèn) ）7. The balls are in the bookcase.（對(duì)畫(huà)線部分進(jìn)行提問(wèn)）8. He is Johnny.（改為一般疑問(wèn)句）9. The baseballs are under the bed.（改為一般疑問(wèn)句）10. He has a tennis racket.（改為一般疑問(wèn)句）11. I have some baseball bats.（改為一般疑問(wèn)句）12. I like oranges.（改為一般疑問(wèn)句）13. My English teache