03 動詞過去式詳解

　　動詞的過去式的構成規則有:

　　A,規則動詞

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

　　② 以e結尾的動詞直接加d:如 lived , danced , used

　　③ 以輔音字母加y結尾的動詞要改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)

　　④ 雙寫最后一個字母(此類動詞較少)如 stopped

　　B,不規則動詞(此類詞并無規則,須熟記)小學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

　　04 動詞現在分詞詳解 動詞的ing形式的構成規則:

　　① 一般的直接在后面加上ing , 如doing , going , working , singing , eating

　　② 以e 結尾的動詞,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