Сделайте отрицательные ответы we helped yesterday ., they played chess yesterday ., she cleaned her room yesterday ., she washed her bike yesterday ., they watched tv yesterday

We didn't help yesterday. They didn't play chess yesterday. She didn't clean her room yesterday. She didn't wash her bike yesterday. They didn't watch TV yesterday.

We did not help yesterday

They did not play chess yesterday

She did not clean her room yesterday

They did not watch TV yesterday