【正文】
er _____(ride) a horse? Never. ______( keep) the book since two days ago. have read has gone did go went have developed gave Have ridden has kept 3 分清 短暫性動(dòng)詞 和 延續(xù)性動(dòng)詞 短暫性動(dòng)詞常見(jiàn)的有 :buy,borrow,open,close,begin,start,e,go,leave,finish, catch, join 延續(xù)性動(dòng)詞常見(jiàn)的有:be,work,study,learn,teach,live,have,keep,talk,walk,wait 短暫 變 延續(xù) 最常見(jiàn)的有: buyhave, borrowkeep, leavebe away from, diedead, openbe open, closebe closed, ebe here, begin/startbe on, put onwear ,catch a coldhave a cold 中譯英: 。 I have had this watch for five years/since 5 years ago. I have bought this watch for five years. The old man has been dead for ten years/since 10 years ago. The old man has died for ten years. W W 。