1. when i came home my mom dinner for us. ( to cook ) 2. " what you about? ( to talk ) 3. what you at a minute ago? ( to laugh ) 4. the spaceship captain the satellite which very fast. ( to notice / to move )

1. When I came home my mom was cooking dinner for us. ( to cook )
2. "What are you talking about? ( to talk )
3. What did you laugh at a minute ago? ( to laugh )
4. The spaceship captain noticed the satellite which was moving very fast. ( to notice / to move)