代理一件代发:关于初中常见非谓语动词问题？请各位老师指教？

1，continue to do sth 和continue doing sth 意思一样吗？
2，demand to do sth 什么意思?
3, forget to do sth 和 forget doing sth 意思一样吗？
4, happen to do sth 什么意思?
5, as (so) as to do sth 什么意思?
6, manage to do sth 什么意思?
7, mean to do sth/ mean doing sth 什么意思?
8, prefer to do sth 什么意思? prefer doing to doing 什么意思? prefer to do rather than do sth 什么意思?
9, sth.takes sb...to do sth 什么意思?
10,try to do sth 和 try doing sth 意思一样吗？
11,have sb do sth 和 have sb doing sth 什么意思?
12,will/would you please do sth ? 什么意思?
13,appreciate doing sth 什么意思?
14,catch sb doing sth 什么意思?
15,consider doing sth 什么意思?
16,devote to doing sth 什么意思?
17,keep...doing sth 和 keep on doing sth 什么意思?
18,miss doing sth 什么意思?
19,practice doing sth 什么意思?
20,spend...(in) doing sth 什么意思?
21,stick to doing sth 什么意思?
22,succeed in doing sth 什么意思?
23,thank...for doing sth 什么意思?