完成时=主语+has或have+done的句子10个

Mary has been ill for three days.I have lived here since 1998.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.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 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.The friendly relations and cooperation between our two countries have been enhanced in the past few years.Up to the present everything has been successful.I have washed the car.我洗过了车.（看上去很漂亮） I washed the car a moment ago.我刚才洗过车了.She has watered the flowers.她已经浇了花.（不需要再浇了） She watered the flowers yesterday.她昨天浇的花.I have written the letter but I haven't posted it yet.信我已经写好了,但还没有寄出.I wrote the letter last week and I posted it three days ago.我上周写的那封信,3天前寄出的.