how often,how soon,how long的區(qū)別和用法
How often 用來(lái)對(duì)某動(dòng)作或狀態(tài)發(fā)生的頻率、對(duì)頻度副詞 always, usually, often, sometimes, never 或頻度短語(yǔ) once a day, twice a day, three times a day 等進(jìn)行提問(wèn)時(shí)用。
How soon 用來(lái)提問(wèn)某人要“多快”能做好某事，使用將來(lái)時(shí)態(tài)，一般對(duì)in表達(dá)的時(shí)間短語(yǔ)如 in two days, in a moment 等進(jìn)行提問(wèn)時(shí)用。
How long 用來(lái)提問(wèn)某動(dòng)作或狀態(tài)發(fā)生的時(shí)間長(zhǎng)短，與延續(xù)性動(dòng)詞連用，對(duì)表示“一段時(shí)間”的短語(yǔ)如 three days, half an hour, for 3 hours 等提問(wèn)時(shí)用。
另外，How long 也可在對(duì)事物的長(zhǎng)度提問(wèn)時(shí)用。
如 How long is the Yellow River？
黃河有多長(zhǎng)？
How often 用來(lái)對(duì)某動(dòng)作或狀態(tài)發(fā)生的頻率、對(duì)頻度副詞 always, usually, often, sometimes, never 或頻度短語(yǔ) once a day, twice a day, three times a day 等進(jìn)行提問(wèn)時(shí)用。
How soon 用來(lái)提問(wèn)某人要“多快”能做好某事，使用將來(lái)時(shí)態(tài)，一般對(duì)in表達(dá)的時(shí)間短語(yǔ)如 in two days, in a moment 等進(jìn)行提問(wèn)時(shí)用。
How long 用來(lái)提問(wèn)某動(dòng)作或狀態(tài)發(fā)生的時(shí)間長(zhǎng)短，與延續(xù)性動(dòng)詞連用，對(duì)表示“一段時(shí)間”的短語(yǔ)如 three days, half an hour, for 3 hours 等提問(wèn)時(shí)用。
另外，How long 也可在對(duì)事物的長(zhǎng)度提問(wèn)時(shí)用。
如 How long is the Yellow River？
黃河有多長(zhǎng)？