FOR and SINCE

FOR and SINCE are prepositions which introduce time expressions. They usually appear with the Present Perfect.

Let's see some examples:

I've lived in Chiclana for three years.I've lived in Chiclana since 2007.

Which one describes a period of time? Which one describes the start of a period, that is, a point in time?

Which of these expressions can be used with for? and which with since?

1999

two weeks

a long time

Tuesday

June

an hour

I was a child

three o'clockChristmas

many yearsthe last two years

she started working

I’ve been revising for three hours.

I’ve been revising since last week.

We’ve been living in Bilbao since 2004.

We’ve been living in Bilbao for a few years.

forsince

sincefor

Complete the sentences with for and since.

Grammar for and since