1 предложение: animal behaviourist 2: stay perfectly still 3: artistic creativity

1.I want the children to stop showing their animal behavior.

2.I stay perfectly still even when I make a mistake.

3.My girlfriend for many years engaged in artistic creativity.

4.I think mom will add value to our conversation.

5.The private property of my friends was sold.

6.Rice grains are used to make sushi.