Сделать утвердительные предложения отрицательными

I read a book. - I don't read a book. We are watching a cartoon. - We aren't watching a cartoon. There are many books on this table. - There aren't many books on this table. They saw a ship on the sea. - They didn't see a ship on the sea. My friend is a dancer. - My friend isn't a dancer. Mary drinks tea with milk. - Mary doesn't drink tea with milk. My father drives his car. - My father doesn't drive his car. Tom is playing the piano. - Tom isn't playing the piano. The house is large. - The house is not large.