PETS-2語法講解(12)

字號:

一般過去時的用法 (2)
    比較:
    一般過去時表示的動作或狀態(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:用過去時表示現(xiàn)在,表示委婉語氣。
    1)動詞want, hope, wonder, think, intend 等。
    Did you want anything else?
    I wondered if you could help me.
    2)情態(tài)動詞 could, would.
    Could you lend me your bike?