英语中常见的非延续性动词在完成时态中可改为相应的表示延续性的动词或短语,这时可与表示一段时间的的状语连用.非延续性动词在肯定句中与表示时间点的状语连用,如:two years ago; at 5 o'clock;
例:He died 5 years ago.
否定的终止性动词可以与表示时间段的时间状语连用。例:I haven't left here for 3 years. I haven't heard from him for 3 weeks.
两者的转换
leave --- be away,
borrow --- keep,
buy --- have,
begin/start --- be on,
die --- be dead,
finish --- be over
, join --- be on+组织机构, be a member of+组织机构,
open sth --- keep sth open,
fall ill --- be ill
get up---be up,
come here --- be here,
go there --- be there,
become --- be,
come back --- be back,
fall asleep --- be asleep
, get to/ arrive/reach --- be (in)
, leave --- be away from,
get to know --- know,
go (get) out →be out,
put on→ wear
catch a cold →have a cold
,get married---be married等。
1.become ~have been
2.open~have been open
3.put on~have been in