Singular Affirmative: (a) is; Singular Negative: (c) isn't; Singular Question: (e) Is; Singular Short answers: (g) Yes, there is; (i) No, there isn't; Plural Affirmative: (b) are; Plural Negative: (d) aren't; Plural Question: (f) Are; Plural Short answers: (h) Yes, there are; (j) No, there aren't.