We mean by verb to be am, is and are . Verb to be is used to express a state of being to explain someone's identity, or how he is feeling . Am is used with I which means it is used to talk about one's self ; for example, I am Moroccan here the verb to be is am and I am using it in this sentence to talk about my identity . Is is used with he ( singular masculin ) ; for example he is a student here , she ( singular feminine) , it ( object ) this cat is cute but it is hungry