How many legs does an octopus have?
How many legs does an octopus has?
If octopus is singular, why do we use "has" instead of "have"?
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Sign up to join this communityHow many legs does an octopus have?
How many legs does an octopus has?
If octopus is singular, why do we use "has" instead of "have"?
"has" is incorrect in this structure. The correct sentence is:
The only way "has" can be correct is in this structure:
When we use the auxilary verb "do" in the interrogative it is always "have" with either plural or singular subject.