1 I'm thinking/think of buying a new mobile. 2 It looks like it is raining/is going to rain later.
3 I've been working for hours. I think I'll have/
have a break.
4 When I leave school, I will travel/am going
to travel around the world.
5 What time do you meet/are you meeting
Pat tonight?
6 Don't worry! I'm posting/will post the letter
for you.