I haven't met him since I left the elementary school.自從我小學(xué)畢業(yè)以來,我一直沒有見過他.
How long have you had the cold?你已經(jīng)感冒多久了?
How many times have you been to Beijing?你去過北京幾次?
I have learnt English for four years.我已經(jīng)學(xué)習(xí)英語四年了.
He has met her at the library.他在圖書館遇到過她.
We haven't met since then.自那以后我們再沒見過.
Has your father gone to America?你的父親去過美國嗎?
Tom has skated for five hours.TOM已經(jīng)滑冰五個小時了.
I have read a book these days.這幾天我一直在看一本書.
Have you had your lunch yet?你已經(jīng)吃過午飯了嗎?
現(xiàn)在完成時常與for+一段時間,或since+過去時間點/一般過去時態(tài)的從句連用.我這兩天在給學(xué)生講這個時態(tài),希望能夠幫到你.