A verb can also be a word that negates a state or condition. (I am not tired.)

The verb ("to be") usually follows a noun or pronoun.

Person	Number		Singular	Negative	Contraction1	Contraction2
first	singular		I am	I am not	*	I'm not
second	singular		you are	you are not	you aren't	you're not
third	singular		he is	he is not	he isn't	he's not
third	singular		it is	it is not	it isn't	it's not
third	singular		she is	she is not	she isn't	she's not
first	plural		we are	we are not	we aren't	we're not
second	plural		you are	you are not	you aren't	you're not
third	plural		they are	they are not	they aren't	they're not

* There is no negative contraction for am not.

Verb ("to be") negative

Negative	Contracted
Bill is not a fireman.	Bill isn't a fireman
He is not a girl.	He isn't a girl.
Tara is not a boy.	Tara isn't a boy.
They are not happy.	They aren't happy.
A mouse is not big.	A mouse isn't big.
I am not an American.	I am not an American.
Tom is not tired.	Tom isn't tired.

TEST YOURSELF:

Select the correct contraction for the following:

1.   I *** 're 's 'm happy.
2.   I *** 're 's 'm a student.
3.   She *** 're 's 'm a teacher.
4.   They *** 're 's 'm young.
5.   You *** 're 's 'm tall.
6.   It *** 're 's 'm brown.
7.   He *** 're 's 'm at home.
8.   They *** 're 's 'm sad.
9.   We *** 're 's 'm happy.
10.  You *** 're 's 'm my best friends.

• Show / Hide the Answers
  
  The contractions are:
  1.   'm                   -      6.   's
  2.   'm                    -      7.   's
  3.   's                     -      8.   're
  4.   're                    -      9.   're
  5.   're                    -     10.   're
  
  

TEST YOURSELF:

Select the correct negative contraction for the following:

1.   I *** aren't isn't 'm not am not happy.
2.   I *** aren't isn't 'm not am not a student.
3.   She *** aren't isn't 'm not am not a teacher.
4.   They *** aren't isn't 'm not am not young.
5.   You *** aren't isn't 'm not am not tall.
6.   It *** aren't isn't 'm not am not brown.
7.   He *** aren't isn't 'm not am not at home.
8.   They *** aren't isn't 'm not am not sad.
9.   We *** aren't isn't 'm not am not happy.
10.  You *** aren't isn't 'm not am not my best friends.

• Show / Hide the Answers
  
  The negative contractions are:
  1.   am not                  -      6.   isn't
  2.   am not                  -      7.   isn't
  3.   isn't                      -      8.   aren't
  4.   aren't                    -      9.   aren't
  5.   aren't                    -     10.   aren't
  
  

TEST YOURSELF:

Check the box beside each contraction.

1.   you are
2.   he's
3.   we're
4.   were
5.   it's
6.   he is
7.   its
8.   there
9.   their
10.  they're

• Show / Hide the Answers
  
  The contracted forms are 2, 3, 5, 10.
  

TEST YOURSELF:

Check the box beside each negative contraction.

1.   you are not
2.   he isn't
3.   we aren't
4.   we are not
5.   it isn't
6.   he is not
7.   its not
8.   they are not
9.   their not
10.  they aren't

• Show / Hide the Answers
  
  The contracted forms are 2, 3, 5, 10.