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(2)just/just now
Just “剛才”，意為only a very short time ago與現(xiàn)在完成時(shí)態(tài)連用。
例如：I have just had my lunch.我剛吃過午飯。
注意：在非正式美國英語中，just也常常與一般過去時(shí)連用。
She just arrived.她剛到。
Just now意為a moment ago,通常和一般過去式連用。
I saw her just now.我剛才看到她了。
(3)終止性動(dòng)詞和延續(xù)性動(dòng)詞的用法。
終止性動(dòng)詞和延續(xù)性動(dòng)詞的相應(yīng)轉(zhuǎn)換形式如下：
Borrow-keep buy-have come(go)-be begin-be on
finish-be over open-be open join-be in die-be away
go to school-be a student/ be in school get up-be up
fall asleep-be asleep
例如：The old man has been dead for three years.
His brother has been in the army since two years ago.
I have kept the book for a week.
【動(dòng)詞的語態(tài)】
1、被動(dòng)語態(tài)的形式。
被動(dòng)語態(tài)由“助動(dòng)詞+實(shí)義動(dòng)詞的過去分詞”構(gòu)成，助動(dòng)詞be隨著人稱、數(shù)、時(shí)態(tài)和語氣的不同而變化。
含有情態(tài)動(dòng)詞的被動(dòng)語態(tài)形式：can(may/must)+be+過去分詞
(1)主語+被動(dòng)動(dòng)詞
被：Rice is grown in the south.
主：People grow rice in the south.
(2)主語+被動(dòng)動(dòng)詞+賓語(或介詞賓語)
被：I was given a book.
主：He gave me a book.
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