Поставить глагол в форму истинного обычного, прошедшего простого и грядущего простого

1. He doesnt pass his exams. He didnt pass his exams. He will not pass his exams.

2. They dont speak English well. They didnt speak English well. They will not speak English well.

3. She doesnt buy anything. She didnt buy anything. She will not buy anything.