Choose 3 grammatically correct sentences.1) If I will see John, I

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 dont go to school tomorrow if I will feel bad. 6) Liz will give me her book if she will read it.