5join---have been in 6 open ---have been open 7close---have been closed 8leave ---have been away 9finish---have been over 10become ---be 11come back---be back 12buy_have had 13 borrow---have kept 等等，这些前者可以用过去式。如主语+动词过去式（came等）+2years ago...
用常用瞬间动词对照延续性动词造句10个
1|begin_have been on
2die_have been dead
3come_have been
4go--have been
5join---have been in
6 open ----have been open
7close----have been closed
8leave --------have been away
9finish-----have been over
10become -----be
11come back----------be back
12buy_have had
13 borrow----have kept
等等，这些前者可以用过去式。如主语+动词过去式（came等）+2years ago. 同样，也可以用现在完成时。
后者可以用现在完成时。如：如He has been back for 2days. 等。2011-05-08
