Do you understand why "defines" is correct?

Even though "Baskin-Robbins" appears to be plural (with the -s on the end), it's singular because it's the name of one company. Therefore, the verb needs to have the third-person-singular ending (-s) when in present tense.

http://grammar.ccc.commnet.edu/grammar/verbs.htm#tense

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thype the correct form of define.

baskin-Robbins_______a new flavor every month.

defines

I hope this helps. Thanks for asking.

Yes, I understand why "defines" is correct in this context. The word "Baskin-Robbins" may appear to be plural, but it is actually a singular noun because it refers to the name of a single company. Therefore, when using the verb "define" in present tense with this noun, we need to add the third-person-singular ending "-s" to the verb.

To verify this, you can consult a reliable grammar resource such as the one you mentioned (http://grammar.ccc.commnet.edu/grammar/verbs.htm#tense), which provides information on verb tense and usage.

In the case of the sentence "Baskin-Robbins defines a new flavor every month," "defines" is the correct form of the verb "define" because it agrees with the subject "Baskin-Robbins." The use of the third-person-singular ending "-s" indicates that the subject is singular.

I hope this explanation helps! Feel free to ask if you have any further questions.