Between, Among; Less, Fewer
Between vs Among
Only use between when two things are involved. When there are more than two things, or an unknown number of things, use among.
Wrong: I will walk among the two halves of the class. I will walk between the many students in class.
Correct: I will walk between the two halves of the class. I will walk among the many students in class.
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Less vs Fewer
Use less only for uncountable things. When things can be counted, they are fewer.
Wrong: I have fewer water than I thought, so I can fill less buckets.
Correct: I have less water than I thought, so I can fill fewer buckets.
Only use between when two things are involved. When there are more than two things, or an unknown number of things, use among.
Wrong: I will walk among the two halves of the class. I will walk between the many students in class.
Correct: I will walk between the two halves of the class. I will walk among the many students in class.
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Less vs Fewer
Use less only for uncountable things. When things can be counted, they are fewer.
Wrong: I have fewer water than I thought, so I can fill less buckets.
Correct: I have less water than I thought, so I can fill fewer buckets.