Explicație:
1. A: There aren't many potatoes left. B: Oh right. I **will** go and buy some then.
2. A: Where are you going, Frank? B: I'm going to the florist's. I **will** be back in an hour.
3. A: Look at that little girl. B: Oh, how cute! She **is going to** feed the ducks!
4. A: Mm! This chocolate cake is delicious! B: Don't eat too much. You **will** make yourself ill!