Perfect tenses (clase 4) present perfect present perfect continuous past perfect.pptx unit 1 reported speech expresiones(clase 7).pptx unit 1 reported speech continuo pasado (clase 6).pptx unit 3 asking and giving directions (clase 4).pptx Unit 3 - Third conditional (clase 4).pptx Unit 3 - Second conditional (clase 3).pptx Unit 3 - zero conditional (clase 1).pptx unit 1 modal verbs (clase 9).pptx unit 2 words to give opinion (clase 1).pptx unit 2 Connectors (clase 4).pptx Unit 2 comparatives (clase 2).pptx unit 1ADVERTISING (clase 8).pptx UNIT 0 passive voice (clase 3 Y 4).pptx PET clase 1 Frequency Adverbs (clase 2).pptx PET clase 1 preposition of time (clase 1).pptx 
