Change the following sentences by using Future in the Past. 1.He

Change the following sentences by using Future in the Past. 1.He says that we shall meet tomorrow. 2.The teacher of Botany says that our class will go to the greenhouse. 3.John says that he will invite us to celebrate his birthday. 4.He promises that the work will be finished in two days. 5.My sister says that she will not spend much money on sweets.