英语单词短语词组“grammar/british-grammar/for-or-since”的中文翻译、释义及用法解析-英汉词典

We useforwith a period of time in the past, present or future.

We usesincewith a point in time in the past.

Compare

He lived in Oxfordfor3 years and then he moved.(completed past)

They’ve lived in Oxfordfora couple of months.(began in the past and continues into the present)

We’re going to stay in Oxfordforthree days and then we’re going to Londonfora day.(future plans)

Forrefers to periods of time, e.g. 3 years, 4 hours, ages, a long time, months, years.

They’ve lived in Oxfordsince2004.

Sincerefers to a previous point in time.

Warning:

We don’t usesincewith periods of time:

She’s been on the phoneforhours.

Not:She’s been on the phone since hours.

Fororsince?