①He used to/would spend every penny he earned on books.
②He used to/would take a walk near the forest in the evening.
③She is no longer what she used to be.
④We would sit in the yard every evening and listen to his stories.
⑤There used to be a park here.
⑥Would you like me to carry it for you?
[我的发现]
(1)①②句都表示过去经常性或习惯性的动作， used to 与 would 可以互换。
(2)③句中的 used to 表示过去的行为同现在作对比，含有“过去怎么样，而现在却不这样了”的意义。
(3)④句中的would表示过去重复性的行为。
(4)⑤句中的used to表示过去的状态。
(5)⑥句中的would表示委婉地提出看法、请求或建议等。
