Answer:

1. Past form: noticed

Sentence: Ava noticed that she left her books at the park.

2. Past form: knew

Sentence: Chris knew that he was going to get in trouble so he blames Kate about they're mom's broken vase.

3. Past form: talked

Sentence: Karen talked to the lady she saw in the store looking at a milk jug.

4. Past form: realized

Sentence: Elsa realized what she have done wrong.

5. Past form: began

Sentence: Jade's dad began running around the living room in happiness when he heard he got the job.

Explanation:

Correct me if I'm wrong

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