She swam - did she swim
it ate - did it eat
they thought - did they think
you ran - did you run
he knew - did he know
you put - did you put
they sat - did they sit
I helping mother now. I don't helpinig mother now
Table-tables
множественное число в английском языке образуется только с существительными и к ним добавляется окончание s или es.
Посмотрите на картинку и скажите