我想知道他明天是否有时间，如果他有空，我将邀请他在我们学校做一个演讲。

I wonder if he will have time tomorrow, if he is free, I'll invite him to give a speech in our school.

youdao

如果您有时间，我想明天去见您。

I'd like to see you tomorrow if you have time.

youdao

如果把摄影作为每天一项计划中的活动或许会有些帮助，这样你就有在有时间的时候不会变得懒惰然后说“我明天在拍吧”。

It may help to make photography a scheduled part of every day, so you know you have the time and won't be tempted to get lazy and say, "I'll do it tomorrow."

youdao