VERB TO BE AND CONTRACTIONS

I AM I´M
YOU ARE YOU´RE
HE IS HE´S
SHE IS SHE´SI
T IS IT´S
WE ARE WE´RE
YOU ARE YOU´RE
THEY ARE THEY´RE

EXERCISE1

http://www.englisch-hilfen.de/en/exercises/tenses/be.htmEXERCISE

2http://www.englisch-hilfen.de/en/exercises/tenses/be2.htmEXERCISE

3http://www.englisch-hilfen.de/en/exercises/tenses/be3.htm