1.how long多長時間,多長,對一段時間或物體長度提問
(常與現(xiàn)在完成時連用,對持續(xù)得時間段提問,
對for+時間段或 since+時間點/since+從句 提問)
How long have you kept this book?你借這本書多長時間了?
For three days.3天了
2. how often多久一次,對頻度,頻率提問
(對次數(shù) once一次,twice兩次,three times a week 一周三次
頻度副詞always總是 usually通常 often經(jīng)常 sometimes有時, seldom很少 never從不 提問)
How often do you go to the cinema?你多久去看一次電影?
once a week.一周一次
3. how soon多久以后 對 in+一段時間 提問 ,常與一般將來時連用。
How soon will your father come back?你父親多久以后回來?
In three days.3天后
4. how far多遠(yuǎn) 對距離提問
How far is it from here to your school?從這兒到你得學(xué)校有多遠(yuǎn) ?
about3 miles.大約3英里