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1、小學英語時態(tài)講解及練習一般現(xiàn)在時態(tài)及第三人稱單數(shù)第三人稱單數(shù)問題一般現(xiàn)在時中,當主語是第三人稱單數(shù)時,即常在動詞原形后加-s或-es。第三人稱單數(shù)變化,現(xiàn)歸納總結如下:1 .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.她十二點吃午餐。It looks like a cat.它看起來像只貓。2 .單個人名、地名或稱呼作主語;用第三人稱單數(shù)。如:H an Mei looks like her mother. 韓梅看起來像她的母親。2)Beijing is in China.北京在中國。Un
2、cle Wang often makes cakes.王叔叔經(jīng)常做蛋糕。3 .單數(shù)可數(shù)名詞或"this / that / the/ a +單數(shù)可數(shù)名詞"作主語時,是第三人稱單數(shù)。如: A horse is a useful animal.馬是有用的動物。 This book is yours.這本 書是你的。That car is red.那輛小汽車是紅色的。 The cat is Lucy's.這只貓是露茜的。4 .不定代詞 someone, somebody, nobody, everything, something等及指示代詞this, that作主語時,第
3、三人稱單數(shù)。 Everyone is here.大家至U齊了。 There is something wrong with thewatch.這塊手表有毛病。This is a pen.這是一支鋼筆。 That is an eraser.那是一塊橡皮擦。5 .不可數(shù)名詞作主語時為第三人稱單數(shù) 。如:The milk is in the glass. The bread is very small.6.當數(shù)字或字母作主語時,看作第三人稱單數(shù)。如:"6" is a luckynumber."6""I" is a letter.發(fā)音規(guī)則動詞
4、原形變第三人稱單數(shù)的規(guī)則與發(fā)音規(guī)律同名詞單數(shù)變復數(shù)大致相同,請認真觀察。1、大多數(shù)動詞在詞尾加“制清輔音后發(fā)音為s,在濁輔音及元音后發(fā)音為z o 如: stop stops s ; make makes s read eads z ; play plays z2、以輔音字母加“轉尾的,要先將“變?yōu)?quot;i'然后在加"e讀'iz如:fly flies z ; carry carries zstudy studies z; worry worries3、以“ s, x, ch, s附尾的,”在詞尾加“ es ”發(fā)音為iz如:teach teaches iz; wat
5、ch watches iz4、以“ O吉尾的動詞,加“ es '讀,z如:go goes z do does z注:下面幾個動詞變?yōu)閱螖?shù)時,原詞的元音部分的發(fā)音發(fā)生了較大的變化,請注意記憶。如:1、do du: does dz2、say sei says sez以不發(fā)音字母"曲尾的開音節(jié)詞,如果尾音是s, z時,加“g字母”e發(fā)音,與所加"一起讀做iz o 如:close closes iz作業(yè)I .寫出第三人稱單數(shù):wash match guess study finishgo snow carryII .用所給動詞的適當形式填空:1. He TV every e
6、vening. (watch)2. We always to school on foot. (go)3. Tom, with his classmates, often football after school. (play)4. Your shoes under the bed. (be)5. here and by me. (come, stand)6. His uncle usually to work by bus. (go)7. I always up at six in the morning.(get)8. John like his father. (look)III.完成
7、句子根據(jù)所給中文意思,在空白處填入適當詞語完成句子。每空一詞,請直接 在答題紙上完成,不要在此頁上作答。1 .該吃晚飯了。it,s time to.2 .你想來點兒面包嗎?would you some?3 .安娜太小,還不能上學。ann is young go to school.4,約翰跑得和我一樣快。john runs fast me.5,布萊克太太經(jīng)常在英語上幫助我們。mrs. black often us our english .6 .老師讓我們每天說英語。the teacher tells us english every day.7 .為什么不讓孩子們做他們喜歡的事情?let t
8、he children do what they like?(答案: 二、1. watches 2. go 3. plays 4. are 5. come, stand 6. goes 7. get, got8 . looks三、1. it ' s time to have supper. 2. would you like some bread?3. ann is too young to go to school. 4. john runs as fast as me.5. mrs. black often helps us with our english.6. the teac
9、her tells us to speak english every day.7. why not let the children do what they like?)一般現(xiàn)在時態(tài)一、一般現(xiàn)在時的用法:1、表示經(jīng)常或者反復發(fā)生的動作.如:我每天吃午飯.I have lunch every day.2、還表示現(xiàn)在存在的一種狀態(tài).如:我姐姐是一位老師.My sister is a teacher.3、客觀真理,客觀存在,科學事實。例如:The earth moves around the sun. 地球繞著太陽轉。二、一般現(xiàn)在時態(tài)經(jīng)常 與often (經(jīng)常)sometimes (有時)alw
10、ays (總是) usually (通常)等頻率詞連用,也經(jīng)常與every day (每天),every week (每周),every month (每月),every term (每學期),every year (每年), once a week (一周一次),twice a year (一年兩次)等表示時間的詞連用。三、第三人稱單數(shù)問題一般現(xiàn)在時中,當主語是第三人稱單數(shù)時,即常在動詞原形后加-s或-es。 四、一般現(xiàn)在時分類:1 . 一般現(xiàn)在時態(tài)分為be動詞的一般現(xiàn)在時。1) be動詞包括am , is, are.中文為"是",這三個詞的用法要隨著主語的變 化而變化。
11、"am"用于第一人稱單數(shù)(I) ; "is"用于第三人稱單數(shù)(he, she, it) ; "are ”用于第一人稱復數(shù)(we),第二人稱單數(shù)和復數(shù)(you),第三 人稱復數(shù)(they)??梢杂涀∫韵马樋诹铮篴m管"我",is管",她,它,他'are管"大家"。一般疑問句和否定句:把be動詞"am, is, are"放在句首,回答時也要使用 be動詞;變?yōu)榉穸ň鋾r,把表示否定的not放在"am is are"的后面,其中可以 簡寫為:is not-
12、 isn't ; are not- aren't ; am not 沒有簡寫形式。注意:如果are not, is not 放在句尾時,不能使用簡寫,必須寫出整個單詞。Am I a teacher? Yes, I am. (No, I am not.)Are you his friend? Yes, you are. (No, you are not.)Is she a nurse? Yes, she is. (No, she is not.)否定旬為:I am not a teacher. You are not his friend. She is not anurse.2
13、)實義動詞的一般現(xiàn)在時如果句子的動詞不是be動詞"am is are"而是其他實義動詞,疑問句和否定句要借助于助動詞"do"或者"does”,也就是說be動 詞和實義動詞原形不能同時使用。這里的"do" , "does"本身沒有什么意義, 只是幫助構成疑問句和否定句.一般疑問句讀時必須用降調."do"和"does”的使 用要隨著人稱的變化而變化。請看下面兩組句子,注意區(qū)分他們的共同點和不同點。I go to school every day.I don't go to
14、 school every day.He goes to school every day.He doesn't go to school everyday.Do you go to school every day?Does he go to school everyday?Yes, I do. (No, I don't)Yes, he does. (No, he doesn't)當主語是第三人稱單數(shù)時,肯定句為:主語+動詞的s形式+賓語否定句為:主語+助動詞doesn't+動詞原形+賓語疑問句為:Does+主語+動詞原形+賓語肯定回答和否定回答也要使用助動詞
15、does.注:1)第三人稱單數(shù)用了 does后面就不用動詞的s形式了,而用動詞原形.2)變?yōu)橐蓡柧?,要在句首?quot;do"變?yōu)榉穸ň洌趧釉~前面加"do not",可以 簡寫為"don't".課堂練習一、把下列句子改成一般疑問句并做肯定、否定回答。1. I usually get up at six o' clock.Yes, . /No,.2. We usually write e-mails to each other on Saturday evening.3. They have the same hobby./
16、.4.Suhai and Su yang like listening to music after school.5.Helen usually watches TV in the evening.、用詞的適當形式填空1 .What time his father(do) the work?2 .He(get) up at five o' clock.3 .you(brush) your teeth every morning.4 .What( do ) he usually( do ) after school?5 .Tom( study ) English, Chinese, M
17、aths, Science and Art at school.6 . Kitty sometimes(go) to the park with his sister.7 .At eight at night, she( watch ) TV with her parents.8 .Mike( read ) English every day?9 .How many lessons your classmates( have ) on Monday?10 .We often( play ) football in the playground.三.選擇()1.you have a book?A
18、. Do B. Are C. Is D. Have()2. They on a farm.A. working B. is work C. work D. is worked()3. Does Peter like to watch TV?.A. Yes, he like B. No, he doesnC/Yes, he' dDkNo, he likes()4. She doesn ' t her homework in the afternoon.A. doing B. to do C. does D. do()5. How Mr. Brown to America?A. d
19、o,go B. is,go C. does,go D. does,goes()6. Where ' s my camera? I it.A. am not finding B. am not seeing C. can ' t finD. can ' t look at()7. How he go to work?He to work by bike.A. does ;go B. do;goes C. do ;go D. does;goes()8.you usually late for school?No,.A. Do ; I am B. Does ;not C. A
20、re ; I ' nDnAte ; I aren' t()9.she home at six every day?A. Is , leave B. Does , leave C. Is , leaves D. Does , left()10. Mr. Yang English this term.A. teaches our B. teaches us C. teachs us D. teach our答案: 二.1.does, do2. gets 3. Do, brush 4. does, do 5. studies 6.goes 7. watches 8. Does, re
21、ad 9. do, have 10. play三.1-5 A C B D C 6-10 C D C B B現(xiàn)在進行時、動詞的ing形式(附練習及答案)現(xiàn)在進行時動詞的現(xiàn)在進行時由be的現(xiàn)在時形式“am/is/are+現(xiàn)在分詞”構成,主要用于以 下幾方面。(1)用來表示現(xiàn)在正在進行或發(fā)生的動作。例如:What are you doing? We are playing basketball.你們在干什么?我們在打籃球。(2)有時用來表示現(xiàn)階段正在進行,而說話時不一定正在進行的動作。例如:Are they working hard this term?這學期他們在努力學習嗎?We are pick
22、ing apples on a farm these days?這些天我們正在農(nóng)場摘蘋果。(3)表示即將發(fā)生的動作(如在最近按計劃或安排好要進行的動作)。Come, go, leave, start, arrive等動詞常與將來時間的狀語連用表示這種意義。例如:They are going to Shanghai this Friday.他們這個星期主要去上海。Tom is coming here next week. 湯姆下周要來這兒 。(4)說明:不是所有動詞都能用現(xiàn)在進行時態(tài)的,如:see、like、want、know等動詞往往都不用進行時態(tài).現(xiàn)在進行時態(tài)的肯定、否定和疑問式及特殊疑問句
23、1)現(xiàn)在進行時的肯定形式:主語+be(am/ is/are)+doing+ 其他成分I am singing . They are writing .2)現(xiàn)在進行時的否定形式:主語+be(am/ is/are)+not +doing+其他成分I am not singing . They aren' t writing .3) 一股疑問句及回答:be(am/ is/are)+ 主語+doing+其他成分Am I singing ? Yes ,you are . / No ,you aren' t .Are they writing ? Yes ,they are . / No
24、,they aren' t .4)特殊疑問句及回答:特殊疑問詞+be(am/ is/are)+主語+doing+其他成分What are you doing ? We are playing ( 要求就提問內容具體回答).縮寫形式如下:I am- I ' mYou are- You' re He is- He' s She is- She' sIt is- It ' We are- We' re They are- They ' re動詞的一ing形式的構成(1) 一般在動詞原形末尾加 一ing 。例如:work working,
25、 study studying.(2)以不發(fā)音的字母e結尾的動詞,先去掉e,再加一ing。例如:havehaving, live living.(3)以重讀閉音節(jié)結尾的動詞,如結尾只有一個輔音字母,應先雙寫出這字母, 冉力口一ing。 例如:run running, stop stopping, forget forgetting, begin beginning.、寫出下列動詞的ing形式walk jump watch lieplaysing smoke dance drive runswim sit tieread eat、用現(xiàn)在進行時完成下列句子1. you(fly) a kite? Y
26、es,2. you(sit) in the boat?3. he(talk) with me?4. We(play) football now.5. Whatyou(do)?6. I(sing) an English song.7. What he(mend)?8. He(mend) a car.9. These boys(play) tennis on the playground.10. My mother(cook) in the kitchen.三、選擇1. Look. Lucy is a new bike today.A. jumping B. running C. riding D
27、 takeing2. The children football.A. is playing B. are playing C. play the D. play a3. They TV in the evening. They do their homework.A. are watching B. can ' t watch C. don ' t watchD. don ' t watching4. Listen! She in the classroom.A. is singing B. sing C .to sing D. is sing5.are you ea
28、ting? I'm eatingmeat.A. What,some B. Which,anyC. Where,not D. What,a6 . Is shesomething? A. eatB. eating C. eatting D. eats7 . I can ' t catch up with the fashion,because the clothes styleall thetime.A. has changed B. is changed C. is changing D. changed8 .Look! The childrenbasketball on the
29、 playground.A. plays B. played C. is playingD. are playing9 .Jack and Kettyin the lake. Let's join them,shall we?D. are swimminglunch together.A. swim B. have swum C. swam4.1 It' s six in the afternoon. The GreensA. has B. are having C. have had D. had had 一、1. Are ,flying,I am 2. Are sitting, 3.Is,talking 4. are plying 5
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