He used to live in the States for 3 years.
This used to be a big shopping mall.

She didn’t use to be so mean.
I didn’t use to be afraid of rats.

Did he use to live here?
Did she use to walk here?
 

(+)
I used to live in DaNang city
I used to go to the beach every summer.

(-) 
I didn’t use to be afraid of rats.
I didn't use to drink milk

(?
Did you use to live here?
Did she use to play volleyball?
 

+I used to play with toys when i was little.              
my mum uesd to read book and stories to me.
-I didn'n use to go to school when i was1 year old.
my mother didn'd use to play football.
?where did you use to live?
what did you use to do at weekend?   
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