5. Change the following sentences to the negative form He knows Spanish. — He doesn’t know Spanish. They speak English. — They don’t speak English. 1. She speaks four languages. 2. He understands German perfectly. 3. They often make mistakes. 4. Her brothers know Ukrainian well. 5. My sister makes mistakes in Greek. 6. Mary writes Chinese. 7. Tom reads Arabic. 8. Those people speak French. 9. She has an American accent.Помогите да 50 балов і зделаю лутший ответ​