Ex 5. Make it right! Find the mistake in each sentence and correct it. 
a. I’m have a party for my birthday.  I’m having a party for my birthday. 
b. She does a science test tomorrow. 
c. Are we visit Grandma tomorrow? 
d. They’re not go to school next week. 
e. My brother takes me to a football match on Saturday. 
f. We’s having a picnic on Sunday. 
g. I’m look after my friend’s cat at the weekend. 
h. What is you do tonight?