Subject-Verb Agreement

Front

Reptiles breathe through lungs, not gills.

Back

breathe

Front

A reptile (has, have) scales or bony plates.

Back

has

Front

These animals (is, are) all cold-blooded.

Back

are

Front

They (depend, depends) on the environment for warmth.

Back

depend

Front

Alligators and turtles are reptiles.

Back

are

Front

Only two kinds of alligators in the world.

Back

exist

Front

One kind in the southeastern U.S.

Back

lives

Front

Dull gray or dark olive in color.

Back

is

Front

Its jaw has many sharp teeth.

Back

has

Front

The male (grow, grows) to a length of twelve feet.

Back

grows