I ____________ tired. (NEGATIVE)
am not
Maria are happy.
Maria is happy.
Tom is sad.
Is Tom sad?
(Yes, he is // No, he is not // No, he isn't)
Ana is my friend.
Ana is not my friend. / Ana isn't my friend.
Maria / Is / Where
Where is Maria?
____________ they at home?
Are
The dog are big.
The dog is big.
The students are at school.
Are the students at school?
(Yes, they are // No, they are not // No, they aren't)
The cat is hungry.
The cat is not hungry. / The cat isn't hungry.
Is / Susana / Who
Who is Susana?
Clara and Sarah ___ my sisters.
are
Are Carlos your teacher?
Is Carlos your teacher?
Juan is your brother.
Is Juan your brother?
(Yes, he is // No, he is not // No, he isn't)
The engineers are good at math.
The engineers are not good at math. / The engineers aren't good at math.
What / The problem / Is
What is the problem?
Where ___ Jack?
Where is the students?
Where are the students?
The dog is in the house.
Is the dog in the house?
(Yes, he is // No, he is not // No, he isn't)
(Yes, she is // No, she is not // No, she isn't)
(Yes, it is // No, it is not // No, it isn't)
Pablo is at school.
Pablo is not at school. / Pablo isn't at school.
Are / Why / On the floor / The books
Why are the books on the floor?
My friends and I ___________ ready. (NEGATIVE)
are not
The books is not on the table.
The books are not on the table.
I am interesting.
Am I interesting?
(Yes, you are // No, you are not // No, you aren't)
The books are on the table.
The books are not on the table. / The books aren't on the table.
Birthday / Maria's / When / Is
When is Maria's birthday?