Внастоящем времени,в отрицание в обоих временах,вопрос общий в обоих временах. 1) she swam in the swimming pool. 2) he worked in the bookshop.

1) She swims in the swimming pool
She swam in the swimming pool
She doesn't swim in the swimming pool
She didn't swim in the swimming pool
2) He works in the bookshop
He worked in the bookshop
He doesn't work in the bookshop
He didn't work in the bookshop