如何用 used to叙述往事，你儿时常常做的事儿是啥？在我们向别人提到往事时，常见到配搭 “used to”。你了解如何正确地应用这一配搭吗？
1 'Used to' describes repeated actions or habits in the past.
“Used to” 能够叙述以往常常做的事儿或以往的习惯性。
I used to play football after school.
2 'Used to' describes states or things that happened over a long period of time.
“Used to” 能够叙述较长一段时间内的情况或产生的事儿。
I used to live in Japan.
3 We can also use 'used to' in the negative form. We just add 'did not' or 'didn't'.
“Used to” 的否认方式是 “did not use to” 或 “didn't use to”。
I didn't use to play football.
