He asked my sister to move out of the house.

If you want to know anything about the factory, ask my sister.

"I was asking your sister about the third partner in the practice."

The brother asked his sister which she wished to have.

The dad says: "Go ask your sister if she would sleep with anyone for two million dollars."

Ask your sister if she wants to come along, too.

If anyone asked her older sister a question, she would answer.

First seen back in Season 1 where he asked his sister if baseball was fun?

You asked my sister if there was cancer in the family.

Very kind of you to have asked me and my little sister down, sir.