So, here is the formula of the past perfect tense. Subject + had + past participle + the rest of the sentence. The structure of the past perfect tense can be learnt by analyisng how it is used in a positive, negative, interrogative and negative interrogative sentence. Structure of the Past Perfect Tense. Forming negative statements, questions and imperatives - English Grammar Today - a reference to written and spoken English grammar and usage - Cambridge Dictionary Imperative sentences come in two forms: affirmative and negative. An affirmative imperative sentence tells the reader or listener to take a specific action. Here are a few examples: Put your plate in the sink. Ask the teacher about last night's homework. Call me! A negative imperative sentence tells the reader or listener to not do something They ensure sentences with proper usage of grammar. Some rules are written below: Rule1: Wh en question tags are negative, Anomalous v erbs are used in an abbreviated form. For example: don't, shouldn't, couldn't, daren't, hadn't, won't they, etc. Rule2: If the sentence is positive, the question tag will be negative and vice-versa. " Don't you have a dollar?" " Are you not aware of the consequences of your actions?" " Haven't you seen my wallet?" With question words We can also use the negative with interrogative sentences that are formed with certain question words ( who, what, where, and why ). Examples of negative interrogatives in the simple present tense include questions with modal verbs, negating adverbs and adjectives, asking for confirmation or denial, making polite requests, expressing surprise or disbelief, using tag questions, negative yes/no questions, and formulating indirect questions. NEGATIVE AND INTERROGATIVE SENTENCES Transform the following sentences into the negative and the interrogative. 1 Example: (See unit 22 .) I can dance. I can't dance/I cannot dance. Can I dance? a She can swim. b They can help you. c We can ride a horse. d He can drive a lorry. e It can fly. NLXQJH.

10 negative interrogative sentences