Respostas
AM, IS, ARE
1-is 11- are 21- are / are
2- are 12- is
3- am / am 13- is
4- X 14- is
5- are 15- is
6- are 16- are
7- are 17- are
8- is 18- is
9- are 19- are
10- is 20- are
AM NOT, IS NOT, ARE NOT
1- is not 11- is not 21- is not
2- is not 12- are not
3- are not 13- are not
4- are not 14- is not
5- are not 15- am not
6- is not 16- are not
7- is not 17- is not
8- is not 18- are not
9- are not 19- are not
10- are not 20- is not