Скажите что это не так. 1.we helped her yesterday. 2.they played chess yesterday. 3.she cleaned her room yesterday. 4.she washed the dress yesterday. 5.they watched tv yesterday.

1.We didn't help her yesterday.
2.They didn't play chess yesterday.
3.She didn't clean her room  yesterday.
4.She didn't wash the dress  yesterday.
5.They didn't watchd TV   yesterday.