that

I hope that you can make it to the meeting.

She mentioned that she might be late.

He believes that hard work pays off.

It is important that you follow the instructions carefully.

I heard that they are getting married next month.

She knows that practice makes perfect.

It is clear that he needs help.

I'm sure that you will do well in the exam.

He mentioned that he was going on vacation.

It's possible that we will have to reschedule the meeting.