GRAMMAR + EXERCISES: Used to + Infinitive
Used to + infinitive
To describe actions that were a habit in the past but we no longer do, we can use: used to + infinitive.
Watch the video for an explanation:
Now do this exercise:
http://www.perfect-english-grammar.com/used-to-exercise-1.html
最后修改: 2016年02月7日 星期日 21:18