Correct the following sentences by using the correct function of the verb.

He worked for three hours when I met him.

Correct the following sentences by using the correct function of the verb.

Mahmood Gazanavi has invaded India many times.

Correct the following sentences by using the correct function of the verb.

When I met her last year, she was married for three years.

Correct the following sentences by using the correct function of the verb.

How long will you know Ritu on her next birthday?

Correct the following sentences by using the correct function of the verb.

What did you do since I saw you last night?

Correct the following sentences by using the correct function of the verb.

Where have you been an hour ago?

Correct the following sentences by using the correct function of the verb.

He has written this novel in $1985$.

Correct the following sentences by using the correct function of the verb.

I didn't ask her what she is doing since.

Correct the following sentences by using the correct function of the verb.

ln the morning I found it was raining the whole night.