He has already obtained a scholarship.
I haven't seen much of him recently (lately).
We have seen that film before.
Have they found the missing child yet
3. 現(xiàn)在完成時(shí)常常與表示頻度的時(shí)間狀語(yǔ)連用，如often, sometimes, ever, never, twice, on several occasion等。
Have you ever been to Beijing.
I have never heard Bunny say anything against her.
I have used this pen only three times. It is still good.
George has met that gentleman on several occasions.
4. 現(xiàn)在完成時(shí)還往往可以同包括現(xiàn)在時(shí)間在內(nèi)的時(shí)間狀語(yǔ)連用，如now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等。
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has been too much rain in San Francisco this year.
I haven't seen much of him recently (lately).
We have seen that film before.
Have they found the missing child yet
3. 現(xiàn)在完成時(shí)常常與表示頻度的時(shí)間狀語(yǔ)連用，如often, sometimes, ever, never, twice, on several occasion等。
Have you ever been to Beijing.
I have never heard Bunny say anything against her.
I have used this pen only three times. It is still good.
George has met that gentleman on several occasions.
4. 現(xiàn)在完成時(shí)還往往可以同包括現(xiàn)在時(shí)間在內(nèi)的時(shí)間狀語(yǔ)連用，如now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等。
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has been too much rain in San Francisco this year.