175. I used to... 我過(guò)去常常……
I used to visit my grandparents on summer vacation.
我過(guò)去常常暑假去看望我祖父母。
I used to play cards with friends, but I seldom do that now.
我過(guò)去常常和朋友一起玩牌，但現(xiàn)在很少了。
I used to go to school by bike.
我過(guò)去常常騎自行車上學(xué)。
