Verb tenses
Our teacher: You must speak more English in class. (Still true)
Lorraine: We didn't drink anything at the show.
The students:We haven´t studied this grammar subject yet.
The students said that they hadn´t studied that grammar subject yet.
My parents: We will go to Paris on vacation.
The students:The test is going to be next Wednesday.
They said that the test was going to be the following Wednesday.
The president: We must do all we can to resolve the social problems of our country. (you are not from this country)
The president said that they had to do all they could to resolve the social problems of their country.