promise后面加什么动词

I can promise you, you'll have a wonderful time.

我保证你会玩得很痛快。

The college principal promised to look into the matter.

学院院长答应研究这个问题。

All parties are promising to increase spending on health.

各政党都在许诺增加医疗开支。

Her work shows great promise.

她的.作品显示前途大有希望。

If elected, the party has promised a new deal for teachers.

该党承诺如果当选将给教师更好的待遇。