enjoy doing sth 享受或喜欢做某事
be busy doing sth 忙于做某事
It`s+adj +to do sth .做.是.的
try doing 试着做某事
ask sb.to do 叫某人做某事
forget doing 忘记已经做过的事
forget to do 忘记要做某事
remember to do 记得要做某事(还没做过)
remember doing 记得做过的事
let sb do 让某人做某事
make sb do 使某人做某事
like doing sth 喜欢做某事(习惯上的)
start to do sth 开始做某事
start doing sth 开始做某事
finish doing sth 完成.
(ok不?从别的地方复制下来的!给我加分!)