Completa con la forma correcta del verbo to be (am/is/are): I_____Mary am is are. Completa con la forma correcta del verbo to be (am/is/are): You _______ Frank am is are. Completa con la forma correcta del verbo to be (am/is/are): The cat____ black am is are. Completa con la forma correcta del verbo to be (am/is/are): They ______ Mary and John am is are. Completa con la forma correcta del verbo to be en negativo (am not/is not/are not): I_______ Mary am not is not are not. Completa con la forma correcta del verbo to be en negativo (am not/is not/are not): The boys_____ young am not is not are not. Completa con la forma correcta del verbo to be en negativo (am not/is not/are not): I_______tall am not is not are not. Completa con la forma correcta del verbo to be en negativo (am not/is not/are not): The house ______ brown am not is not are not.