At Weekends

[namsteven]

Dear Teachers,

A. She just likes to go fishing alone at weekends.
B. She likes to earn as a lot of money as possible.
C. How much water do you drink in one day?

- Are these sentences grammatical?

Thanks a million

Namsteven

[Harry Smith]

Dear Teachers,

A. She just likes to go fishing alone at weekends.
B. She likes to earn as a lot of money as possible.
C. How much water do you drink in one day?

- Are these sentences grammatical?

Thanks a million

Namsteven

I'd say like this:
She just likes going fishing alone at weekends.
She likes to earn as much money as it's possible.
How much water do you drink a day?