Final answer:
The correct form of the verb is 'sommes', as 'nous' is the subject pronoun for 'we' in French.
Step-by-step explanation:
The correct form of the verb to use in this sentence is sommes. 'Nous' is the subject pronoun for 'we' in French, and when conjugating verbs in the present tense, we use the form 'sommes' after 'nous'.
Learn more about French verbs