How to change these sentences to the affirmative and negative?

1.He didn't have a chance.



2.The bartender didn't receive the tip.



3.She wasn't anybody at the counter.



4.She didn't receive any attention.



5.He didn't pay cash.



6.They couldn't cross the river.



7.He wasn't within the speed limit.



8.She can't rent a car.



9.He won't fall off the chair.



10.They wouldn't like to listen to his speech.



11.There aren't many stories about her death.



12.You didn't get insurances for your car.How to change these sentences to the affirmative and negative?
1.He didn't have a chance. he had a chance



2.The bartender didn't receive the tip. the bartender received the tip.



3.She wasn't anybody at the counter. she was somebody at the counter.



4.She didn't receive any attention. she received attention.



5.He didn't pay cash. he paid cash.



6.They couldn't cross the river. they could cross the river.



7.He wasn't within the speed limit. he was within the speed limit.



8.She can't rent a car. she can rent a car.



9.He won't fall off the chair. he will fall off the chair.



10.They wouldn't like to listen to his speech. they would like to listen to his speech.



11.There aren't many stories about her death. there are many stories about her death.



12.You didn't get insurances for your car. you got insurance for your car.