To be affirmative vs. negative

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Edad: 15+
Level: Adults 1 elementary
Idioma: English (en)
ID: 114820
21/04/2020
Country code: AR
Country: Argentina
Asignatura: English as a Second Language (ESL) (1061958)
Tema principal: Verb to be - affirmative and negative (2011267)
From worksheet author:

Completar la ficha con el verbo to be en sus formas afirmativa y negativa.

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To be affirmative vs. negative

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