has been to 去,到過什么地方（人已經(jīng)回來）如：He has been to Japan.他去過日本has gone to 到.去了（人還沒回來）He has gone to Japan.他到日本去了has been in 在.地方他在日本兩年了He has been in Japan for ...how long \how soon \how far \怎樣用？【我可以追加分滴~麻煩你了- -、how long 多久時間，常就for + 時間段 “長達(dá)多久” 提問 A: How long have you been here?B: For three hourshow soon 表示“還要多久” 某件事才會發(fā)生， 常就“in + 時間段” 提問 A: How soon will he get here? B: In about half an hourhow far 意為“多遠(yuǎn)” 一般就“距離” 提問 A: How far is it from here to your school? B:Two hours' walk