Make the sentences negative. Use only short form. Fill in the full sentence.
He's reading a book in his bedroom.
He isn't reading a book in his bedroom.
1.They're lying.They aren't lying.2.I'm staying with my friends.I'm not staying with my friends.3.He's losing his money.He isn't losing his money.4.She's trying to find a new job.She isn't trying to find a new job.5.We're getting late.We aren't getting late.6.The weather is changing.The weather isn't changing.7.I'm studying English.I'm not studying English.8.She's driving to work.She isn't driving to work.9.They're building a house.They aren't building a house.10.I'm looking for my keys.I'm not looking for my keys.