4-2 Helping Verbs

Front

The fire ________ burning in the forest.

Back

is

Front

Firefighters ________ working to put it out.

Back

are

Front

Animals ________ hiding in the forest.

Back

are

Front

A firefighter ________ talked to our class last year.

Back

had

Front

Complete: She ________ helped fight many fires.

Back

has

Front

We ________ listening to her.

Back

were