change the following sentences by using Future in the Past. Instead

Change the following sentences by using Future in the Past. Instead of "He knows that I shall come here again tomorow", say " He knew that I should come here again the next day".
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 the work willninvite 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