These/match/shoes/T-shirt/my + - ?
These shoes match my T-shirt. These shoes don't match my T-shirt. Do these shoes match my T-shirt?
customer/ a lot of/buy/ things/different + - ?
A lot of customers are buying different things. A lot of customers are not buying different things. Are a lot of customers buying different things?
to enjoy/ they/ shopping/ + - ?
They are enjoying shopping. They aren't enjoying shopping. Are they enjoying shopping?
the shopping center/busy + - ?
The shopping center is busy. The shopping center isn't busy. Is the shopping center busy?
They/tired/feel/and/ to sit down/they/want + - ?
They are feeling tired and want to sit down. They are not feeling tired and don't want to sit down. Are they feeling tired?
have fun/I + - ?
I am having fun. I am not having fun. Are you having fun?
think/I/ that/ need/I/ shoes/ expensive. + -?
I think I need expensive shoes. I don't think I need expensive shoes. Do you think you need expensive shoes?