Choose 3 grammatically correct sentences. 1) If I will see John, I invite him. 2) If you are cold, you should put on a warm coat. 3) If the weather is nice tomorrow, I will go to the park. 4) If my Mum lets me, I will start swimming lessons. 5) I don’t go to school tomorrow if I will feel bad. 6) Liz will give me her book if she will read it.