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Unit 16 – Exercise 2 – Reported speech: statements
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Unit 16 – Exercise 1 – Reported speech: requests
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Unit 15 – Exercise 2 – Would have / Should have + past participle
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Unit 15 – Exercise 1 – Unreal conditional sentences with IF clauses
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Unit 14 – Exercise 2 – Permission, obligation, and prohibition
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Unit 14 – Exercise 1 – Modals and Adverbs
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Unit 13 – Exercise 2 – Relative pronouns + clauses
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Unit 13 – Exercise 1 – Participles as adjectives (present + past)
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Unit 12 – Exercise 1 – Past continuous vs. simple past (passado contínuo vs passado simples)
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Unit 12 – Exercise 2 – Present perfect continuous (passado contínuo perfeito)
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Unit 12 – Exercise 3 – Read the text and then determine if the statements below it are true or false.
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Unit 11 – Exercise 1 – Passive present (voz passiva no presente)
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Unit 11 – Exercise 2 – Passive past (voz passiva no passado)
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Unit 11 – Exercise 3 – Passive present/past (voz passiva no presente/passado)