Did my sister help me doing my homework yesterday
Did my sister or my farther help me doing my homework yesterday
My sister helped me doing my homework yesterday, didnt she
Who helped me doing my homework yesterday
When did my sister help me doing my homework
How did my  sister help me yesterday
Why did my sister help me doing my homework yesterday
Did my sister help me doing my homework or cleaning the floor yesterday
Didnt my sister help me doing my homework yesterday