how long主要有以下兩個(gè)意思，首先表示多長時(shí)間，對(duì)一段時(shí)間進(jìn)行提問，其答語是“時(shí)間 for+一段時(shí)間”、“since+過去時(shí)間”、“since+一般過去時(shí)的句子”;另外how long對(duì)某物的長度進(jìn)行提問，其答語為“It’s+長度”或“About+長度”。

how long的具體用法介紹

how long意為“多久、多長時(shí)間”，可用于各種時(shí)態(tài)。

例句：It was up to him to make it right, no matter how long it took由他負(fù)責(zé)把事情擺平，不管花多長時(shí)間。

how long的答語通常是(for)three days/weeks/months等時(shí)間段。

how long側(cè)重對(duì)一段時(shí)間(如three days, four weeks等)提問。how long意為多長時(shí)間或者物體多長，表示時(shí)間，側(cè)重指"- -段時(shí)間”，是對(duì)for+一段時(shí)間和長度的提問。

how long的應(yīng)用例句

1、How long do you think this storm will last?

你看這暴風(fēng)雨會(huì)持續(xù)多久?

2、How long have you been in this game?

你干這行當(dāng)多長時(shí)間了?

3、How long have you been studying English?

你學(xué)英語多久了?

4、How long a stay did you have in mind?

你原打算待多長時(shí)間?

5、How long have they been at war?

他們交戰(zhàn)有多長時(shí)間了?

6、How long has he been in office?

他任職多久了?

7、Time how long it takes you to answer the questions.

記一下自己回答這些問題所需的時(shí)間。

8、What do | think about it? How long have you got?

我是怎么想的?說來話長，你有工夫聽嗎?