Explicație:
Ex 1-Write in The correct verb to be
1. Is
2.are
3.is
4.are
5.is
6.am
7.are
8.is
9.are
10.is
Ex 2-Rewrite the sentences în The negative form
1. aren't
2.isn't
3.isn't
4.I am not
5.it isn't
6.aren't
7.aren't
8.isn't
Ex 3-Answer the questions according to the pictures
2. Yes, it is
3. No, they aren't
4. No, it isn't
5. Yes, they are
6. No, they aren't
7. Yes, it is
8. Yes, it is
9. No, they aren't
