1. mother’s day is celebrated in the usa earlier than in britain. — mother’s day is celebrated in britain earlier than in the usa. 2. on mother’s day mothers buy presents for their family. — on mother’s day children buy presents for their mothers. 3. international women’s day is celebrated all over the world. — international women’s day is celebrated mainly in russia.. 4. only grown-up women get presents on international women’s day. – girls and women get presents on international women’s day. — 5. in russia, mothers must cook a big dinner to celebrate international women’s day. — in russia, men try to do all the housework to celebrate international women’s day составьте отрицательные предложения

1. Mother’s Day isn't celebrated in the USA earlier than in Britain. — Mother’s Day isn't celebrated in Britain earlier than in the USA.
2. On Mother’s Day mothers don't buy presents for their family. — On Mother’s Day children don't buy presents for their mothers.
3. International Women’s Day isn't celebrated all over the world. — International Women’s Day isn't celebrated mainly in Russia.. 
4. Only grown-up women don't get presents on International Women’s Day. – Girls and women don't get presents on International Women’s Day. —
5. In Russia, mothers mustn't cook a big dinner to celebrate International Women’s Day. — In Russia, men don't try to do all the housework to celebrate International Women’s Day