English Grammar: Present Perfect Tense - Structure & Examples

{'title':'1. Affirmative Sentence: Subject + have/has + p.p.\n2. Negative Sentence: Subject + haven't/hasn't + p.p.\n3. Interrogative Sentence: Have/Has + Subject + p.p. + ?\n4. Affirmative Short Answer: Yes, Pronoun + have/has.\n5. Negative Short Answer: No, Pronoun + haven't/hasn't\n\nExample Sentences:\n\nDid you finish the pizza? (Interrogative)\nYes, I have. (Affirmative Short Answer)'}