非延续性动词怎么造句?比如buy。Heboughtapenlastnight.Hehaveapenlastnight.(Hehadhaveapen.）这些对么？这样说吧比如用join造的三个句子：1.Hejoinedtheparty3yearsago.2.Hehasjoinedtheparty.3.Hehasbee

Question

非延续性动词怎么造句?
比如buy。
He bought a pen last night.
He have a pen last night.
(He had have a pen.）
这些对么？
这样说吧比如用join造的三个句子：
1.He joined the party 3 years ago.
2.He has joined the party.
3.He has been a member of the party for 3 years.
能不能用buy按这样造3个句子，这样就懂了。

Answer 1

第一句正确.第2句错了,last night 表示的是一个过去的时间,所以动词have 要用过去式had.第3句错了.要么He has had a pen.（have done ）这是现在完成时,表示到目前为止仍然拥有.或者就是He had had a pen.（had done...