1. "Negative - 'to-be'  Form

2. The cat is protecting the bird’s nest.
The cat ______ protecting the bird’s nest.

3. The girl is in trouble.
The girl is _____ in trouble.
The girl ______ in trouble.

4. The fox is going to catch the mouse.
The fox _____ going to catch the mouse.

5. The men are exhausted at the end of the game.
The men ____ exhausted at the end of the game.

6. The dogs are eager to pull the sled.
The dogs _____ eager to pull the sled.

7. The men are tired of rowing.
The men __________ tired of rowing.