1 We'll have something to eat after we've got home.

2 I'll tell you your results as soon as we finish marking the exams.

3 Remember to wear lots of sunscreen while travelling across the Sahara next week!

4 They won't release the DVD before they have shown Titan  at the cinema.

5 At ten past ten tomorrow I'll start taking my science exam.

6 Let's have supper after we have watched the space documentary.

7 By lunchtime, I'll have have sent all the invitations.

8 I won't give you a test until you have done some revision.

9 We'll have moved into our new house by the time you visit us.

10 Let's make a decision once we have got some more information.