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15. a/some (articles, quantities) 16. Some/any (quantities) 17. Much/many/a lot (quantities) 18. Can/could (ability/permission) 19. Must/have to (obligation/prohibition) 20. Big/small/beautiful (adjectives) 21. Big/bigger/biggest (comparatives and superlatives) 22. Should (advice, recommendations) 23. I/me/my/mine (pronouns, possessive adjectives) 24. What/when/where (questions 1) 25. How much/many (questions 2) 26. On/it/at (time prepositions) 27. What would you do? (conditionals) Unit 1 I am (I’m) This is John. He’s American, he’s thirty-five, he’s a salesman.
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