Since 'are' is in the present tense, it must be used to denote an action that is being done in the present. Its counterpart, 'were', is usedwhen the subject of the sentence is plural, and the action or condition that is expressed has already been completed or the event happened in t...
Past tense verbs often add -ed to the end, as in the sentences, "She burned the candle" and this passive-voice use: "The candle was burned by her." Past participles also typically end in -ed but again function as adjectives, describing nouns rather than indicating action. For example, ...