Complete the second sentences so that it has a similar meaning to the first: I don't have time to collect stamps as when I was in primary school

1. I don't have time to collect stamps as when I was in primary school.
I used___________________________________________________
2. Did you often go to the beach when you lived in Nha Trang?
Did you use_______________________________________?
3. Mr.Nam often went to work by motorbike, but now he goes to work by bus.
Mr.Nam____________________________________________________
4. There were traffic jams in this street during rush hours, but now the street becomes wider.
There____________________________________________________________