Past Simple
I was seeing you while I was talking on the phone.
I saw you while I was talking on the phone.
I was falling down in the street yesterday afternoon.
I fell down in the street yesterday afternoon.
She _____ (stand) under a tree to shelter from the rain.
She stood under a tree to shelter from the rain.
I was looking for a pen when I found that old coin.
Correct!
Why did you wait at the bus stop this morning at 7:30?
Why were you waiting at the bus stop this morning at 7:30?
She _____ (bring) some chocolates to the party.
She brought some chocolates to the party.
Is that T-shirt you are wearing now the one you were wearing last night at the ceremony?
Correct!