Grammar is complicated.
Creating an English phrase requires an awareness of the verb tense + grammatical person + auxiliary verb + main verb form.
Verb Machine is designed to allow students of English to see all of this information coming together so that understanding how it all works becomes easy.
Verb Machine shows students how to create grammatically correct phrases / questions / answers that can be negative or positive; academic or contracted.
Tapping on the info icon provides an explanation of every concept that is presented, and all of this information is translated into Portuguese as well.