6.29 Thursday
现在完成时:表示动作现存的结果,或者过去发生的事对现在的影响。
I've planted fourteen rose bushes so far this morning.
I have lived here for several years now and I've made many new friends since I have lived here.
He has retired now.他现在已经退休了
I haven't been very successful so far.
Have you ever been to Australia?
Have you read any good books lately?
The train has not arrived yet.