1. Regular and Irregular Verbs
Rule:
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Regular verbs form their past tense and past participle by adding -ed (or -d if they end in e).
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Irregular verbs do not follow this pattern. Their past tense and past participle forms must be memorized.
Examples:
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Regular: play → played → played
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Irregular: go → went → gone
Exercise:
Identify whether each verb is regular (R) or irregular (I):
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jump
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write
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help
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sing
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close
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buy