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Pregunta
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Respuesta correcta
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present simple (true-false) what is the auxiliary of the present simple? :
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do, does |
what is the auxiliary of the present perfect? :
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have has |
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Pregunta
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Respuesta correcta
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what is the error of this sentence (She is cleaned her kitchen) :
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She has cleaned her kitchen |
what is the error of this sentence (They does studied for the exam) :
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They haven't studied for the exam |
what is the error of this sentence (Has you been waiting long before the bus arrived? :
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Had you been waiting long before the bus arrived? |
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