Transcript
Unit 9 Present perfect (affirmative) Affirmative full forms short forms I have walked you I ’ve walked you he she it he she it has walked we you have walked they ’s walked we you ’ve walked they Look. Liam has washed all the dishes. We’ve walked sixty kilometres! Principal parts of irregular verbs base form past simple past participle break buy come drink eat see broke bought came drank ate saw broken bought come drunk eaten seen Las formas del past simple y del past participle de los verbos irregulares suelen ser diferentes. Aprende bien las formas principales de los verbos irregulares. Amy and Harry have drunk all the Cola! I’ve bought a new bicycle. El present perfect = el sujeto + la forma completa o contraída de have/has + past participle del verbo. Principal parts of regular verbs base form past simple past participle cook invite stop study cooked invited stopped studied cooked invited stopped studied Las formas del past simple y del past participle de los verbos regulares son siempre iguales. 1 En la mayoría de los verbos: forma básica + ed. cook cooked 2 En los verbos que acaban en e: forma básica + d. invite invited 3 En algunos verbos terminados en consonante precedida de vocal: forma básica con doble consonante + ed. stop stopped 4 En la mayoría de los verbos que terminan en y: forma básica sin y + ied study studied New Thumbs up! 2 © Oxford University Press