used to,would表示過(guò)去習(xí)慣性動(dòng)作，可譯為“過(guò)去常?！?/b>

1）used to可指過(guò)去的狀態(tài)或情況，would則不能。

The novel used to be popular.

那本小說(shuō)過(guò)去很流行

2）would表示反復(fù)發(fā)生的動(dòng)作。如果某一動(dòng)作沒(méi)有反復(fù)性，就不能用would，只能用used to。

He would practise English every week.

他過(guò)去每周都練習(xí)英語(yǔ)

I used to live in Beijing.

我過(guò)去住在北京

3）used to表示過(guò)去經(jīng)常性或習(xí)慣性的動(dòng)作或狀態(tài)現(xiàn)在已經(jīng)結(jié)束，would則表示有可能再發(fā)生。

People used to believe that the earth was flat.

人們過(guò)去認(rèn)為地球是平的

He would go to the park as soon as he was free.

他過(guò)去一有時(shí)間就去公園

Sam use to play golf,but he doesn't now.

山姆過(guò)去常常打高爾夫球，但是現(xiàn)在不打了

每日一句：Life would be too smooth if it had no rubs in it. 生活若無(wú)波折險(xiǎn)阻，就會(huì)過(guò)于平淡無(wú)奇