Question

Some of these sentences are grammatically incorrect. Which ones? Write out all the sentences correctly with information about you or your country.
1. I have studied English since a few weeks.
2. I have studied English since i was 11.
3. Queen Elizabeth has been the Head of State in my country since 1952.
4. Queen Elizabeth has been the Head of State in my country since more than forty-five years.
5. London has been the capital of my country since the time of the Romans.
6. London has been the capital since many centuries.
7. I have known my best friend since a long time.
8. I have known my best friend since we were in primay school.

With negatives
You can use a negative verb in the present perfect with since or of to say the last time you did something.
I haven't been there for months.(=I was last there months ago.)
I haven't seen him since we were kids.(= I last saw him when we were children.)

Answer 1

1. incorrect
2.✔
3.✔
4.incorrect
5.✔
6.incorrect
7.incorrect
8.✔