Our teacher is good. Нужно написать это предложение в повествовательной форме, отрицательной и вопросительной четырёх временах: Present Simple, Present Con
tinuous,Past Simple & Future Simple.

Present Simple.+ Our teacher is good.- Our teacher isn't good.? Is our teacher good?Past Simple.+ Our teacher was good.- Our teacher wasn't good.? Was our teacher good?Future Simple.+ Our teacher will be good.- Our teacher won't be good.? Will be our teacher good?Про континиес можно замутить:+ Our teacher is teaching us good.- Our teacher isn't teaching us good.? Is our teacher teaching us good?