eating
getting
newer
how long,how soon和how often都含有how,并且都和“多長時間、多久”有關,但它們的用法不相同.
how long意為“多久、多長時間”,主要是對一段時間進行提問,答語通常是（for）three days/weeks/months等時間段,它可用于各種時態(tài).
How long do you stay in Beijing every year?每年你在北京住多久?
How long have they lived here?他們住在這里有多久了?
—How long were you not at school last year?去年你多久沒上學?
—About two weeks.約兩周.
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how soon意為“還要多久”,是對從某個基本時間到將來某動作結束或某動作發(fā)生這段時間提問,常用在一般將來時態(tài)的句子中,其答語通常是“in + 一段時間”.
—How soon can you finish the work?還要多久你能完成這項工作?
—In half an hour.半小時后.
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how often意為“多久……次、是否經?！?用來提問在某一特定的時間進行某個動作的次數,答語通常是always,usually,often,sometimes,once/twice a day/month等.
—How often do you get to school very early?你多久早到校一次?
—Usually.通常.
—How often do you see a film?你多久看一次電影?
—Once a month.每月一次.