Британский ЯЗЫК ПОМОГИТЕ ПОЖАЛУЙСТА.

2. Do they have to walk with their bikes? No, they don't.
3. Does he has to put the litter in the bin? Yes, he does.
4. Does she has to stay off the grass? No, she doesn't.
5. Does he has to wear a uniform? Yes, he does.
6. Does she has to water the plants? Yes, she does.

Do they walk with their bikes? No, they don't/Yes, they do

Does he puts the litter in the bin? No, he doesn't/Yes, he does

Does she stays off the grass? No, she doesn't/Yes, she does

Does that policeman wear a uniform? No, he doesn't/Yes, he does

Does she water a plants? No, she doesn't/Yes, she does