爱华网以下是小编为大家整理的should,would的用法总结，希望能帮助大家更好地认识should,would的用法，提高英语水平。
should和would的用法：should常译作“应该”,would常译作“愿意;会”.
1.should和would都可用于疑问句,表示征询意见或提建议.但它们比shall和will更委婉.如 Should we open the window?/ Would you mind asking you so many questions?
2.should和would都可用于肯定句或否定句.
(1)should译作“应该”,表示义务或推测.如 We should protect our environment.(义务) / You shouldn’t know him.(推测)
(2)would译作“愿意;会”,表示过去的意愿或意志.如 She said she would become a volunteer./ He promised that he wouldn’t fall behind others.
3.should和would都可作助动词,它们是shall和will的过去式,用于过去将来时,译作“将要”.should用于主语是第一人称,would用于主语是任意人称.如 He said we should / would move to the second floor.
1) would无词义，是will的过去形式，与动词原形构成过去将来时，用于第二、第三人称，例如：
He said he would come. 他说他要来。
比较："I will go," he said. 他说："我要去那儿。"
变成间接引语，就成了：
He said he would come.
原来的will变成would，go变成了come.。
2)should也无词义，只是shall的过去形式，与动词原形构成过去将来时，只用于第一人称，例如：
I telephoned him yesterday to ask what I should do next week.
我昨天给他打电话，问他我下周干什么。
比较："What shall I do next week?" I asked.
"我下周干什么?"我问道。(可以说，shall变成间接引语时，变成了should。)
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