一般过去时 Past Simple Tense
使用条件
常见时间标志
“Used to” is for describing things that happened repeatedly or regularly in the past but no longer happen now.
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It can have a similar meaning to the past simple tense.
- I used to work in Shanghai.
- I worked in Shanghai.
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In some cases, it is different from the past simple tense.
- I used to smoke.
- I smoked.
What is the difference between the two sentences?
