The use of SINCE
Since gives the starting point of actions, events or states. It refers to when things began.
Since + a point in time (in the past), until now.
I've been waiting since 7 o'clock.
I have known him since January.
With since we use the present perfect tense or the past perfect tense.
I have been here since 5 o'clock and I am getting tired.
I had been working since 5 o'clock and I was getting tired.
Since can also be used in the structure It has been + period of time + since.
It has been two months since I last saw her.
It has been three years since the last earthquake.
For vs. Since
Knowing when to use FOR and when to use SINCE is important. Therefore it is useful to look at a summary of the contrast between FOR and SINCE. FOR to mention a specific period (or duration) of time. SINCE to mention the starting point of a period of time (continues to now).
I have been a doctor for fifteen years. (duration = 15 years) I have been a doctor since 1992. (starting point = 1994)
She has been a mother for six months. She has been pregnant since her first child was born.
My sister has lived in Frankfurt for nine months. My sister has lived in Frankfurt since the beginning of March.
Both For and Since are most commonly used with the perfect tense - we don't use these expressions in the present tense. Correct Incorrect
I have learnt Russian for three years. I learn Russian for three years.
They have taught geography since last year. They teach geography since last year.
He has owned his dog since his cat died. He owns his dog since his cat dies.
While we can use For in the simple past tense we can't use Since in the simple past tense. Since can only be used in the perfect tense.Correct Incorrect
She went to Japan for three years. She went to Japan since 2003.
I studied in New Zealand for one month. I studied in New Zealand since one month.
He walked his dog for four hours. He walked his cat since four hours.
It should be remembered that both For and Since have other meanings in English that are not associated with time.
This is for you.
Is this the train for London?
Since you asked, I'll say yes.
Since he didn't study he didn't pass the exam.
Since gives the starting point of actions, events or states. It refers to when things began.
Since + a point in time (in the past), until now.
I've been waiting since 7 o'clock.
I have known him since January.
With since we use the present perfect tense or the past perfect tense.
I have been here since 5 o'clock and I am getting tired.
I had been working since 5 o'clock and I was getting tired.
Since can also be used in the structure It has been + period of time + since.
It has been two months since I last saw her.
It has been three years since the last earthquake.
For vs. Since
Knowing when to use FOR and when to use SINCE is important. Therefore it is useful to look at a summary of the contrast between FOR and SINCE. FOR to mention a specific period (or duration) of time. SINCE to mention the starting point of a period of time (continues to now).
I have been a doctor for fifteen years. (duration = 15 years) I have been a doctor since 1992. (starting point = 1994)
She has been a mother for six months. She has been pregnant since her first child was born.
My sister has lived in Frankfurt for nine months. My sister has lived in Frankfurt since the beginning of March.
Both For and Since are most commonly used with the perfect tense - we don't use these expressions in the present tense. Correct Incorrect
I have learnt Russian for three years. I learn Russian for three years.
They have taught geography since last year. They teach geography since last year.
He has owned his dog since his cat died. He owns his dog since his cat dies.
While we can use For in the simple past tense we can't use Since in the simple past tense. Since can only be used in the perfect tense.Correct Incorrect
She went to Japan for three years. She went to Japan since 2003.
I studied in New Zealand for one month. I studied in New Zealand since one month.
He walked his dog for four hours. He walked his cat since four hours.
It should be remembered that both For and Since have other meanings in English that are not associated with time.
This is for you.
Is this the train for London?
Since you asked, I'll say yes.
Since he didn't study he didn't pass the exam.
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