1. "I really need a drink." "OK, I'll buy/'m buying you one. What would you like?"
2. "You look dreadful." "I know, I'm seeing/'II see the doctor tomorrow at 4 o'clock."
3. "Did you remember to water the plants today?" "Oh no, I forgot; I'll water/water them now."
4. I've already told you why I can't see you tonight. I'm having/'II have guests.
5. I'm sorry. I promise I'll stay/'II be staying out of trouble in the future.
6. I'm sure he'll understand/'s going to understand if you explain it to him clearly.
7. I will have finished/will finish my exams by the end of August.
8. "I've burnt the dinner". "Never mind, I'll go/'m going to the restaurant and get a take away pizza."
9. I'll have been working/'II work here for forty years by the time I retire next week.
10. "I forgot to invite Fergus to the party." "That's OK. I see/will be seeing him this afternoon."
11. If I have/will have enough money, I'll buy a new bicycle.
12. I don't think I 'II have finished/'II finish these exercises by 3 o'clock.
13. Excuse me, Colin. Will you be going/Will you go to the library this morning?
14. I'm not sure when I go/'II go on holiday this year.
15. If we go/will go to Greece in the summer, we will visit the islands.
16. We can't get into the office until Jane arrives/will arrive with the key.
17.I doubt if they are/will be on time.