Choose the correct verb form: 1. Would you like a drink? Thank you.I'll have / I 'm going to have some juice . 2. Look at those dark clouds. It'll/It 's going to rain. 3.We'll/We're going to live in Paris. We ' ve just bought a flat there.4.I feel tired.Perhaps I'll/I 'm going to sit down. 5. It 's John 's birthday, so I 'll/I 'm going to buy him a present.