1. His parents tidy their house.
a) Do his parents tidy their house?
b) His parents don't tidy their house.
2. Bob gets dressed at 7.20.
a) Does Bob get dressed at 7.20?
b) Bob doesn't get dressed at 7.20
3. Tom's friends go for a walk everyday.
a) Do Tom's friends go for a walk everyday?
b) Tom's friends don't go for a walk
Перепроверьте два оставшихся предложения. Написаны некорректно, доотвечу в комментариях.
1. His parents tidy their house.
a) Do his parents tidy their house?
b) His parents don't tidy their house.
2. Bob gets dressed at 7.20.
a) Does Bob get dressed at 7.20?
b) Bob doesn't get dressed at 7.20
3. Tom's friends go for a walk everyday.
a) Do Tom's friends go for a walk everyday?
b) Tom's friends don't go for a walk
Перепроверьте два оставшихся предложения. Написаны некорректно, доотвечу в комментариях.