一般過去時(shí)態(tài)
(a) be 動(dòng)詞的過去式：
I/He/she/it was(not)….
You/we/they were….
一般疑問句was, were 放在句首。
(b) 動(dòng)詞過去式：
肯定句： I watched cartoons.
She visited the zoo.
一般疑問句： Did you read book last night? Yes, I did. No, I didn’t.
Did she clean the desk just now? Yes, she did. No, she didn’t.
否定句： They didn’t go the the part yesterday.
He didn’t make model ships last week.
(3)動(dòng)詞過去式的變化：
規(guī)則動(dòng)詞的變化：
大多數(shù)動(dòng)詞，直接加ed: eg. planted,watered,climbed
以e結(jié)尾的動(dòng)詞加d ：eg. liked
以輔音 y 結(jié)尾的動(dòng)詞，y變i,加ed ：eg ： study—studied
元音加輔音結(jié)尾的動(dòng)詞，雙寫輔音加ed: eg: stop –stopped
不規(guī)則動(dòng)詞的變化：
is/am—was,are—were,do—did,have/has—had,make—made,fly-flew/u:/
eat—ate,take—took,run—ran,sing—sang,drink—drank 等等
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事業(yè)單位
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