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6、過(guò)去進(jìn)行時(shí)

We were talking about you a moment ago. I was playing the piano when she came in.

7、將來(lái)進(jìn)行時(shí)

What will you be doing this time tomorrow? I believe he‘ll be coming soon.

8、現(xiàn)在完成時(shí)

8.1、過(guò)去發(fā)生但對(duì)現(xiàn)在有影響的動(dòng)作，常跟時(shí)間狀語(yǔ)already， yet， never， before， recently， just， ever， once連用。

I have been to Peking many times. They have already published the results of their experiments.

8.2、從過(guò)去某時(shí)間開始一直延續(xù)到現(xiàn)在(可能還要繼續(xù)下去)的動(dòng)作，常跟時(shí)間狀語(yǔ)since， for two years，

so far， in recent years等(使用延續(xù)性動(dòng)詞)

He has lived here since 1984. I have studied English for two years.

1)他參軍已經(jīng)有十年了。 ①He has been an armyman for ten years.

②It is(has been)ten years since he joined the army.

③He joined the army ten years ago.