PETS-2語(yǔ)法講解(12)

字號(hào):

一般過去時(shí)的用法 (2)
    比較:
    一般過去時(shí)表示的動(dòng)作或狀態(tài)都已成為過去,現(xiàn)已不復(fù)存在。
    Christine was an invalid all her life.
    (含義:她已不在人間。)
    Christine has been an invalid all her life.
    (含義:她現(xiàn)在還活著)
    Mrs. Darby lived in Kentucky for seven years.
    (含義:達(dá)比太太已不再住在肯塔基州。)
    Mrs. Darby has lived in Kentucky for seven years.
    ( 含義:現(xiàn)在還住在肯塔基州,有可能指剛離去)
    注意:用過去時(shí)表示現(xiàn)在,表示委婉語(yǔ)氣。
    1)動(dòng)詞want, hope, wonder, think, intend 等。
    Did you want anything else?
    I wondered if you could help me.
    2)情態(tài)動(dòng)詞 could, would.
    Could you lend me your bike?