Verbs can be said to have five forms in English: the base form, the present tense form (which may include the agreement ending -s), the past tense form, the present participle, and the past participle
The answer is~ nunca
~nunca= never
The answer is b. political or social.
Tu because If you put Mi or mis son rojos it says my are red which dosen't really make sense. Since you put tu in front of son (plual) it would be they are red.