I must hurry. I think I’m going to be late. I’m going to be a volleyball player. She is going to check her email this evening. He is going to have a piano lesson this weekend. We’re going to have a party this Friday. They are going to have a picnic this weekend. They are going to meet outside the school gate. The play is going to be produced next month. Are you going to do next Sunday?

be going to + v.原形

请看以下9个例句的谓语构成有什么共同点?