how far .how long .how soon .how often .这四个短语有什么区别呢?

how far .how long .how soon .how often .这四个短语有什么区别呢?
how far .how long .how soon .how often .这四个短语有什么区别呢?

how far .how long .how soon .how often .这四个短语有什么区别呢?
一、how long的用法 how long有以下两个主要意思：1.表示多长时间,主要用来对一段时间(如three days,four weeks 等)提问.如：A：How long did he stay here?他在这儿呆了多久?B：About two weeks.大约两个星期.A：How long does it take to get to London from here?从这里到伦敦要多长时间?B：At least ten hours.至少要10个小时.2.表示某东西有多长.如：A：How long is the river?这条河有多长?B：About 500 km.大约500千米.二、how often的用法 how often 指每隔多久,主要用来对频度副词或状语(如：once a week,three times a month 等)提问.如：A：How often does he come here?他(每隔)多久来一次?B：Once a month.每月一次.A：How often do you visit your mother?你多长时间看你妈妈一次?B：Once a week.一周一次.三、how soon的用法 how soon 指再过多久,主要用来对表示将来的一段时间(如：in an hour,in two weeks 等)提问.如：A：How soon will he be back?他要多久才回来?B：In an hour.1 小时以后.A：How soon shall we know the results?我们多久能知道结果?B：I don’t know.我不知道.四.How far 和How long 的区别 A:持续多长时间（多久） how long How long have you been here?For five months.长度（多长） how long How long is the bridge?It’s 500 metres.距离（多远） how far How far is it from here to the zoo?It’s 6 kilometres

1.how far （问距离 多远）如：How far is it from your home to school? 2.how long(问时间 多久）如：How long will the film last? 3.how soon (对未来时间提问，多久）如：How long will you stay in Beijing? I'll stay there for a week. 4....

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1.how far （问距离 多远）如：How far is it from your home to school? 2.how long(问时间 多久）如：How long will the film last? 3.how soon (对未来时间提问，多久）如：How long will you stay in Beijing? I'll stay there for a week. 4.how often(对频度副词、次数提问）如：How often do you have PE class in a week? Twice a week.

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