Luis Roberto Ortiz

english grammar past vocabulary simple verbs present review education pronouns questions countable uncountable negative interrogative numbers adverbs adjectives may could request tense some nouns any should would regular irregular going to future superlatives comparatives reported speech rules progressive tenses vegetables a little how much many a few fruits task might objects illness neither personal tools conditionals ill much how many either so no movement prepositions want be perfect presentation tags modals obligation story crime writing write definite seasons dates months ordinal can favour on will indefinite have offer suggestions articles ability affirmative conjugation exceptions relative how about lets subject compounds nationalities suffixes countries wh auxiliary frequency in holiday at