He has been going to Seattle for a half a year.他这半年间经常去西雅图。
They have been repairing the broken road.他们一直在维修那条损坏的道路。
I’ve been trying to find out her telephone number.我一直在查问她的电话号码。
They have been widening the road.他们在拓宽这条路。
She is very tired. She’s been typing letters all day.她很累了。她整天都在录入信件。
I’ve not been feeling very well for the past few days.这几天以来，我一直感到不太舒服。
It hasn’t been working properly for three weeks.它已有3个星期运作不正常了。
经典句型解析69：inquire about 询问，查询，查问，打听
I rang up to inquire about train times
We inquired about the way to the station.
They inquired about the matter time and again.
He went to the hospital to inquire about her.