為表示習慣動作,do與have連用:
— Do you have earthquakes in your country? 你們國家地震嗎?
— Yes,but we don’t have them very often. 有,但不經(jīng)常。
have意指take(a meal)(吃),give(a party)(舉行)等。
We have lunch at one.
我們1點鐘吃飯。
They are having a party tomorrow.
他們明天舉行聚會。
I hope you’ll have a good holiday.
我希望你愉快地度過假期。
have作助動詞
主要變化形式:have,has,had
動名詞/現(xiàn)在分詞:having
1)have +過去分詞,構(gòu)成完成時態(tài),例:
He has left for London.他已去了倫敦。
By the end of last month, they had finished half of their work.
上月末為止,他們已經(jīng)完成工作的一半。
2)have + been +現(xiàn)在分詞,構(gòu)成完成進行時(現(xiàn)在完成時),例:
I have been studying English for ten years.
我一直在學英語,已達十年之久。
3)have+been +過去分詞,構(gòu)成完成時態(tài)的被動語態(tài),例:
English has been taught in China for many years.
中國教英語已經(jīng)多年。