【正文】
d in the past and is still happening. 現(xiàn)在完成時(shí)和現(xiàn)在完成進(jìn)行時(shí)都表示動(dòng)作從過去開始,但現(xiàn)在完成時(shí)可表示事件或動(dòng)作剛結(jié)束,而現(xiàn)在完成進(jìn)行時(shí)則強(qiáng)調(diào)動(dòng)作仍在繼續(xù)。 1) Li Jia has read a book about Stonehenge. (表示她已經(jīng)讀完了。 ) 2. We can use the present perfect tense for repeated actions, and the present perfect continuous tense for nonstop actions. We usually use the present perfect tense to ask questions beginning with how many/much, and the present perfect continuous tense to ask questions beginning with how long. 現(xiàn)在完成時(shí)可表示反復(fù)發(fā)生的動(dòng)作,提問時(shí)用 how many / how much。 1) — How many times have you visited Egypt this month? 你這個(gè)月去了埃及幾次? — I have visited Egypt twice this month.