洛阳学现在完成时（二）
 
（2）现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作（用行为动词表示）或状态（be动词表示）常与for（+时间段）,since（+时间点或过去时的句子）连用.
　Mary has been ill for three days.
　I have lived here since 1998.
　注（超重要）：瞬间动词（buy,die,join,lose……）不能直接与for since 连用。要改变动词
　come-be
　go out-be out
　finish-be over
　open-be open
　die-be dead
　………………
　1.have代替buy
　My brother has had(不能用has bought) this bike for almost four years.
　2、用keep或have代替borrow
　I have kept(不能用have borrowed) the book for quite a few days.
　3、用be替代become
　How long has your sister been a teacher?
　4、用have a cold代替catch a cold
　Tom has had a cold since the day before yesterday.
　5、用wear代替put on
　b)用“be＋形容词”代终止性动词
　1、be＋married代marry 2、be＋ill代fall (get) ill
　3、be＋dead代die 4、be＋asleep代fall (get) asleep
　5、be＋awake代wake/wake up 6、be＋gone代lose,die,sell,leave
　7、be＋open代open 8、be closed代close/shut
　9、be＋missing(gone,lost)代lose
　c)用“be＋副词”代终止性动词
　1“be＋on”代start,begin
　2“be＋up”代get up
　3“be＋back(to)”代return to,come back to,go back to
　4“be here (there)”代come(arrive,reach,get) here或go (arrive,reach,get) there等等
　d)用“be＋介词短语”代终止性动词
　1.“be in/at +地点”代替go to /come to
　2.用be in the army 代替join the army
　3.“be in/at +地点”代替move to