Tick (/) the correct sentence.1 Is going to rain. It's going to rain. 2 Do you wash your hair this evening? Are you going to wash your hair this evening? 3.She's going to have a baby. She's going to has a baby. 4.I'm going to the post office to buy some stamps. I'm going to the post office for buy some stamps. 5.I'm going home early this evening. I'm go home early this evening. 6.I opened the window to get some fresh air. I opened the window for to get some fresh air. ​