Who were they? Past Simple of BE

Hello, NB1 students. This is for Unit 5A.

First, click here for information about the form.

Then, do the exercises to practise:

1. (+)positive. exercise 1 and exercise 2
2. (-)negative: exercise 
3. (?, +,-)questions and answers: ex. 1 and ex. 2
4. http://www.ompersonal.com.ar/ELEMENTARY/unit17/page5.htm

To finish, we can do these exercises:  first, second