1.表示過去所發(fā)生的動作對現(xiàn)在的影響或產(chǎn)生的結(jié)果。常與yet，just，before，recently，lately(最近)，ever，never等表時間的副詞搭配使用。
● He hasn't seen her lately.
● I haven't finished the book yet.
2.表示一個從過去某個時間開始，延續(xù)到現(xiàn)在并可能持續(xù)下去的動作，常與表示一段時間的時間狀語連用。如：so far(迄今為止)，up till now(直到現(xiàn)在)，since, for a long time(很長時間)，up to present(直到現(xiàn)在)，in the past / in the last few years(在過去的幾年里)，these days(目前)……
. He has worked here for 15 years.
. I have studied English since I came here.
. The foreigner has been away from China for a long time.
. So far, I haven't received a single letter from my brother.
3.某些非延續(xù)性動詞(即：動作開始便終止的動詞)，在現(xiàn)在完成時中不能與表示一段時間狀語搭配。黃金要點：I.常見的非延續(xù)動詞：die, arrive(到達)，join(加入)，leave(離開)，go, refuse(拒 絕)，fail(失敗)，finish，buy，marry，divorce(離婚)，awake(醒) ，buy，borrow，lend ...(背三遍!)
II.這類動詞并非不能用現(xiàn)在完成時，而是不能接常由for引導的時間狀語。
III.但若是用在否定句中，非延續(xù)動詞的現(xiàn)在完成時可以與表示一段時間的狀語連用。
● She has gone away for a month.(誤)
● She has been away for a month (正)
● The man has died for two years.(誤)
● The man has been dead for two years.(正)
● How long have youbought the book?(誤)
● How long have you got the book.(正)
4.注意 since的用法：
. They haven't had any troublesince they came here.
. It has been ten years since we met last time.
. He has been heresince 1980.
. He has been heresince ten years ago.
5.幾組對比：He has gone to Shanghai. 他到上海去了。
He has been to Shanghai. 他去過上海。
She has gone. 她已走了。
She is gone. 她缺席了。(or她死了。)
The door has been closed. 門關(guān)上了。(動作)
● He hasn't seen her lately.
● I haven't finished the book yet.
2.表示一個從過去某個時間開始，延續(xù)到現(xiàn)在并可能持續(xù)下去的動作，常與表示一段時間的時間狀語連用。如：so far(迄今為止)，up till now(直到現(xiàn)在)，since, for a long time(很長時間)，up to present(直到現(xiàn)在)，in the past / in the last few years(在過去的幾年里)，these days(目前)……
. He has worked here for 15 years.
. I have studied English since I came here.
. The foreigner has been away from China for a long time.
. So far, I haven't received a single letter from my brother.
3.某些非延續(xù)性動詞(即：動作開始便終止的動詞)，在現(xiàn)在完成時中不能與表示一段時間狀語搭配。黃金要點：I.常見的非延續(xù)動詞：die, arrive(到達)，join(加入)，leave(離開)，go, refuse(拒 絕)，fail(失敗)，finish，buy，marry，divorce(離婚)，awake(醒) ，buy，borrow，lend ...(背三遍!)
II.這類動詞并非不能用現(xiàn)在完成時，而是不能接常由for引導的時間狀語。
III.但若是用在否定句中，非延續(xù)動詞的現(xiàn)在完成時可以與表示一段時間的狀語連用。
● She has gone away for a month.(誤)
● She has been away for a month (正)
● The man has died for two years.(誤)
● The man has been dead for two years.(正)
● How long have youbought the book?(誤)
● How long have you got the book.(正)
4.注意 since的用法：
. They haven't had any troublesince they came here.
. It has been ten years since we met last time.
. He has been heresince 1980.
. He has been heresince ten years ago.
5.幾組對比：He has gone to Shanghai. 他到上海去了。
He has been to Shanghai. 他去過上海。
She has gone. 她已走了。
She is gone. 她缺席了。(or她死了。)
The door has been closed. 門關(guān)上了。(動作)