1) Where are you? I've been waiting for 2 hours 2) I needn't have brought that milk I = subject need have bought = verb; present perfect tense, modal form (need is the auxiliary), buy is the main verb, bought is the past participle. not - adverb that - demonstrative pronoun refering...
ESL General English Grammar Questions
by
AlpheccaStars
47 days ago
Articles, Verbs, Tenses, Nouns, Pronouns, Adverbs, Auxiliaries, Modals, Gerunds, Predicates, Simple Past, Present Perfect, Direct Objects, Indirect Objects