Он не получил бы плохую оценку, есл

Он не получил бы плохую оценку, если бы сделал задание.Если бы он помог своей маме по дому, его мама бы не расстроилась.Если бы ей хватило денег, она бы купила книгу.

Результаты (английский) 1:

He would not have received a bad grade if it did the job.
If he helped his mother around the house, his mother would not be upset.
If she ran out of money, she would have bought the book.

Результаты (английский) 2:

He wouldn't have gotten a bad grade if he'd done the job.
If he had helped his mother around the house, his mom wouldn't have been upset.
If she had enough money, she'd buy a book.

Результаты (английский) 3:

He won't get a bad result if he does a task.
If he helps his mother at home, his mother won't be angry.
If she had enough money, she would buy a book.