Since vs For Usage
Present Perfect Tense
Since is used to give the starting point of actions or events that continue up to the moment of speaking. It is a point in time. (E.g. June, 1976, etc.)
We haven't seen him since his birthday.
We haven't played soccer since May.
We use ‘for’ to talk about a period of time continuing up to the present. It is used with length of time (e.g. four years, two months, etc.)
Ken has studied English for two months.
Barnie hasn't come to school for two days.
Since vs For Common Structures
a long time
my wedding day
she left you
I was born
Jackson has been ill for
They have not seen my son since
the beginning of the year.
I haven’t lived in Istanbul since
I haven’t been to Germany since
I got married.
I last saw him in September. I have not seen him since
We haven’t heard from him since
he phoned us six hours ago.
I haven’t seen him for
Be careful when using negative with since.
It is 5 years since I didn’t eat sushi.
I haven't eaten sushi for 5 years.
Complete the following sentences, using for or since.