小學(xué)英語(yǔ)語(yǔ)法之時(shí)態(tài)動(dòng)詞的時(shí)態(tài)：

1、動(dòng)詞的時(shí)態(tài):英語(yǔ)的時(shí)態(tài)就是用動(dòng)詞的形式變化來(lái)表示不同時(shí)間內(nèi)發(fā)生 的動(dòng)作或存在的狀態(tài)。小學(xué)階段常見(jiàn)的時(shí)態(tài)有四種：一.一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)通常表示經(jīng)常發(fā)生的動(dòng)作或存在的狀態(tài)。1.動(dòng)詞be的一般現(xiàn)在時(shí):意義：表示存在的狀態(tài)結(jié)構(gòu)：主語(yǔ)+系動(dòng)詞be+表語(yǔ)+其它例子：I am a doctor .我是一名醫(yī)生。She is a teacher .她是一名教師。You are a clever boy.你是一個(gè)聰明的男孩。各個(gè)人稱和 be (am , is , are)的搭配人稱單數(shù)復(fù)數(shù)第一人稱IamWeare第二人稱YouareYouare第三人稱He she it isThey are我用 am，你用

2、are , is 跟在他她它后，所有復(fù)數(shù)都用a所有單數(shù)用is.Is he teache? Yes, he is. No, he isn t. Are you hungry ? Yes, I am. No,l mnot.Are they are friends ? Yes, they are. No, they一般疑問(wèn)句：動(dòng)詞be提前He is teacher.I am hun gry.They are friends. aren t.否定句：動(dòng)詞be后力口notHe is teacher. He isn tetacher.I am hungry. I m nOhungry.They are f

3、riends.They aren friends.2.實(shí)義動(dòng)詞的一般現(xiàn)在時(shí)二. 一般過(guò)去時(shí)三. 現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí)的意義：表示此時(shí)此刻正在進(jìn)行的動(dòng)作或事件。結(jié)構(gòu)：主語(yǔ)+動(dòng)詞 be(am,is,are)+動(dòng)詞的現(xiàn)在分詞(動(dòng)詞 ing)+其他 例子：I amwatchi ng TV.You are clea ning your room.He/She/It is readi ng a book. We/ Yo u/They are singing.各個(gè)人稱和 be( am , is , are)的搭配人稱單數(shù)復(fù)數(shù)第一人稱IamWeare第二人稱YouareYouare第三人稱He sh

4、e it isThey are我用 am，你用 are， is 跟在他她它后，所有復(fù)數(shù)都用 areo 現(xiàn)在進(jìn)行時(shí)的一般疑問(wèn)句：動(dòng)詞be提前He is singing. Is he singing? Yes, he is. No, he isn t.I am dancing.Are you dancing? Yes, I am. No,I m not.They are playing chess.Are they playing chess? Yes, they are. No,they aren t.現(xiàn)在進(jìn)行時(shí)的否定句：動(dòng)詞be后加notHe is singing. He isn stingi

5、ng. I am dancing. I mnot dancing.They are playing chess. They aren t playing chess. 現(xiàn)在進(jìn)行時(shí)的特殊疑問(wèn)句1.根據(jù)戈i|線部分確定疑問(wèn)詞，并放句首。2.剩下的部分變成一般疑問(wèn)句，放干疑問(wèn)詞后。 疑問(wèn)詞+be+主語(yǔ)+現(xiàn)在分詞+其他He is singing.What is he doing?I am dancing.What are you doing?They are playing chess.What are they doing?現(xiàn)在分詞的構(gòu)成1.一般情況，直接在詞尾加ing.女口： do-doingst

6、udy- studyingread-reading2以不發(fā)音的e結(jié)尾，去e力口ing 如: make-making dance-dancing ride-riding3以重讀閉音節(jié)結(jié)尾，并且只有一個(gè)輔音字母的動(dòng)詞，要雙寫(xiě)末 尾的輔音字母，再加ing.女口： swim-swimming sit-sittingrun-runningget-gett ingput-putt ingbegi n-begi nning四.一般將來(lái)時(shí)一般將來(lái)時(shí)的定義：表示將來(lái)某一時(shí)刻的動(dòng)作，狀態(tài)以及打算。現(xiàn)在進(jìn)行時(shí)的結(jié)構(gòu)：主語(yǔ) +be(am,is,are) goi ng to+動(dòng)詞原形+其他例子：I am going to watch TV at 7:0