(1)一般現(xiàn)在時：

　　一般現(xiàn)在時的構(gòu)成

　　1. be動詞：主語+be(am, is, are)+其它。如： I am a boy. 我是一個男孩。

　　2. 行為動詞：主語+行為動詞(+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，要在動詞后加"-s"或"-es"。如：Mary likes Chinese.瑪麗喜歡漢語。

　　動詞+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:

　　動詞過去式詳解 動詞的過去式的構(gòu)成規(guī)則有：

　　A、規(guī)則動詞

　　① 一般直接在動詞的后面加ed：如 worked , learned , cleaned , visited

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

　?、?以輔音字母加y結(jié)尾的動詞要改y為i再加ed(此類動詞較少)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)

　?、?雙寫最后一個字母(此類動詞較少)如 stopped

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

　　基本結(jié)構(gòu)：

　?、賐e going to + do;

　?、趙ill+ 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: am,is,are+動詞現(xiàn)在分詞

　　動詞現(xiàn)在分詞詳解 動詞的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

　?、?以e 結(jié)尾的動詞，要先去e再加ing ，如having , writing

　　③ 雙寫最后一個字母的(此類動詞極少)有：running , swimming , sitting , getting

　　本文作者：陸聰(微信公眾號：陸聰老師)

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