3、一般將來時
3.1、will/shall do: Next month, my sister will be nineteen. I shall/will return you the book tomorrow.
3.2、be going to do: The wall is going to be painted green. It is going to rain.
3.3、be to do表示按計劃要發(fā)生的事: We are to meet at the school gate.
3.4、be about to do即將(正要)做某事: Autumn harvest is about to start.
4、一般過去將來時
He said that he would get married soon. I asked him when he would come here again.
5、現(xiàn)在進行時
5.1、表示說話時,或現(xiàn)階段正在進行的動作或發(fā)生的情況。 They are making an experiment now.
5.2、計劃即將發(fā)生,如go, come, leave, arrive: He is coming here next week and is staying here until August.