A young child asks, Do people live on the moon?
No, they don’t.
There are many variants to what a young child (using perfect grammar) could say:-
I think people live on the moon.
Don’t people live on the moon?
I think people don’t live on the moon.
I think nobody lives on the moon.
People don’t live on the moon.
etc.
etc.
The answer to all the above is No, they don’t.
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A young child asks, Do people live in Greenland?
Yes, they do.
There are many variants to what a young child (using perfect grammar) could say:-
I think people live in Greenland.
Don’t people live in Greenland?
I think people don’t live in Greenland.
I think nobody lives in Greenland.
People don’t live in Greenland.
etc.
etc.
The answer to all the above is Yes, they do.