ask sb.to do sth.请求某人做某事
be pleased/be glad to dosth。很高兴做某事
can't wait to do sth.迫不及待地做某事
can't afford to do sth.不能担负起干某事
decide to do sth.决定做某事
do/try one's best to do sth。尽全力做某事
do nothing to dosth.对……无能为力
deserve to do sth.值得干某事
形容词/副词+enough to do sth.足以做某事
encourage sb. to do sth.鼓励某人做某事
find+it+形容词+to do sth.发现做某事……
get ready to do sth.准备做某事
go on to do sth.继续做某事
hope to do sth.希望做某事
improve sth. to do sth.改善/提高某物来干某事
invite sb. to do sth.邀请某人干某事
It's better to do sth.干某事比较好
It's time to do sth.到该做某事的时间了,