Eat Ate

Know Knew

Have Had

Open Opened

Say Said

Study Studied

Clean Cleaned

Watch Watched

Play Played

Visit Visited

Travel Traveled

Listen Listened

Take Took

Be Was/were

Make Made

Understand Understood

Read Read(не меняется)

№1.

Ate

Knew

Had

Opened

Said

Studied

Cleaned

Watched

Played

Visited

Traveled

Listened

Took

Was (were)

Made

Understood

Read

№2.

1. Came 2. Saw 3. Finished

№3.

1. I didn’t sleep last night.

2. We didn’t invite them to the party.

3. They didn’t have time to shopping.

4. Did you drink coffee?

5. Did he finish his work in time?

6. Did she water the flowers?