A1Grammar+(Unit+5)


 * Past tense of the verb "to be"**

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 * Past Simple of regular and irregular verbs**

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Explanation
 * Regular past tenses**

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Exercises

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 * Videos with pronunciation**

http://www.youtube.com/watch?v=fXQe1Lom1jQ http://www.youtube.com/watch?v=xNwlP4E0Ms0&feature=related (American Pronunciation)

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 * Irregular past tenses**

Regular and irregular verbs in the past (mixed exercises)

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