英语高手再次请入

I used to learn English by speaking a lot

I used to learn English by reading many English novels

I used to talk with Americans....

类似这样的句子吧

I used to study English in this school.
I used to learn English with the help of my brother.

i used to smoke a lot but i quit it now

i used to walk down the river to see some beautiful landscape but now i prefer to watch tv alone at home.

i used to babble my questions all over baidu to-know but now i'd like to figure them out all by myself!