Cross of the words which are wrong.Sometimes both words are correct.1.My

Cross of the words which are wrong.Sometimes both words are correct.
1.My grandmother used to/would look after us when our parents want out.
2.I would/used to help my grandmothermale cake.
3.I used to/would want a lot of pets.
4.Im wouldnt/didnt use to understand anything our French teather saitd.
5.My mum wouldnt/didnt use to let us wath telewision in school days.
6.The school driver wouldnt/didnt use to wait for us to sit down and we would always/always used to text over when he drove off.
7.What would you/did you use to like doing most when you were young?
8.Would your parents/Did your parents use to people who had given you parents?