不卡AV在线|网页在线观看无码高清|亚洲国产亚洲国产|国产伦精品一区二区三区免费视频

學(xué)習(xí)啦>原創(chuàng)作品專欄>學(xué)習(xí)心得>

英語常用動(dòng)詞介紹:動(dòng)詞的四種時(shí)態(tài)

時(shí)間: 春生1139 分享

  (1)一般現(xiàn)在時(shí):

  一般現(xiàn)在時(shí)的構(gòu)成

  1. be動(dòng)詞:主語+be(am, is, are)+其它。如: I am a boy. 我是一個(gè)男孩。

  2. 行為動(dòng)詞:主語+行為動(dòng)詞(+其它)。 如: We study English. 我們學(xué)習(xí)英語。

  當(dāng)主語為第三人稱單數(shù)(he, she, it)時(shí),要在動(dòng)詞后加"-s"或"-es"。如:Mary likes Chinese.瑪麗喜歡漢語。

  動(dòng)詞+s的變化規(guī)則

  1.一般情況下,直接加-s,如:cook-cooks, milk-milks

  2.以s. x. sh. ch. o結(jié)尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes

  3.以“輔音字母+y”結(jié)尾,變y為i, 再加-es,如:study-studies

  (2)一般過去時(shí):

  動(dòng)詞過去式詳解 動(dòng)詞的過去式的構(gòu)成規(guī)則有:

  A、規(guī)則動(dòng)詞

 ?、?一般直接在動(dòng)詞的后面加ed:如 worked , learned , cleaned , visited

 ?、?以e結(jié)尾的動(dòng)詞直接加d:如 lived , danced , used

 ?、?以輔音字母加y結(jié)尾的動(dòng)詞要改y為i再加ed(此類動(dòng)詞較少)如 study – studied carry – carried worry – worried (注意play、stay不是輔音字母加y,所以不屬于此類)

 ?、?雙寫最后一個(gè)字母(此類動(dòng)詞較少)如 stopped

  B、不規(guī)則動(dòng)詞(此類詞并無規(guī)則,須熟記)小學(xué)階段要記住以下動(dòng)詞的原形和過去式:sing – sang , eat – ate ,

  see – saw , have – had , do – did , go – went , take – took , buy – bought , get – got , read – read ,fly – flew , am/is – was ,

  are – were , say – said , leave – left , swim – swam , tell – told , draw – drew , come – came , lose – lost , find – found , drink – drank , hurt – hurt , feel – felt

  (3)一般將來時(shí):

  基本結(jié)構(gòu):

 ?、賐e going to + do;

  ②will+ do. be going to = will

  I am going to go swimming tomorrow(明天). = I will go swimming tomorrow.

  (4)現(xiàn)在進(jìn)行時(shí): am,is,are+動(dòng)詞現(xiàn)在分詞

  動(dòng)詞現(xiàn)在分詞詳解 動(dòng)詞的ing形式的構(gòu)成規(guī)則:

 ?、?一般的直接在后面加上ing , 如doing , going , working , singing , eating

  ② 以e 結(jié)尾的動(dòng)詞,要先去e再加ing ,如having , writing

 ?、?雙寫最后一個(gè)字母的(此類動(dòng)詞極少)有:running , swimming , sitting , getting

  本文作者:陸聰(微信公眾號(hào):陸聰老師)

  本文為原創(chuàng)文章,版權(quán)歸作者所有,未經(jīng)授權(quán)不得轉(zhuǎn)載!


英語常用動(dòng)詞介紹:動(dòng)詞的四種時(shí)態(tài)

(1)一般現(xiàn)在時(shí): 一般現(xiàn)在時(shí)的構(gòu)成 1. be動(dòng)詞:主語+be(am, is, are)+其它。如: I am a boy. 我是一個(gè)男孩。 2. 行為動(dòng)詞:主語+行為動(dòng)詞(+其它)。 如: We study English. 我們學(xué)習(xí)英語。 當(dāng)主語為第三人稱單數(shù)(he, she, it)時(shí),要在
推薦度:
點(diǎn)擊下載文檔文檔為doc格式
3855294