Here is the item:
Miguel busted out laughing when he saw that Rey, his ferocious Chihuahua, had bitten the seat of Julio's jeans and hung on as Julio danced around the kitchen, trying to shake off the little dog.

The first verb, busted, is incorrect. In place of this informal choice, use burst, an irregular verb that does not change form.

The chart below shows its forms.

Verb Simple
Present
Simple
Past
Past
Participle
burst burst(s) burst burst

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