Auxiliary used when talking about past and you don't have a verb, with reference in time for second person for negative.
Auxiliary used when talking about actions in past with no reference in time in third person for negative.
Auxiliary used when talking about past and you don't have a verb, with reference in time for first and third person for affirmative questions.
Auxiliary used when talking about routines, habits, etc., in third person for questions.
Auxiliary used when talking about actions right now in third person for affirmative and questions.
Auxiliary used when talking about routines, habits in first and second person for questions.
Auxiliary used when talking about actions in past with no reference in time in first and second person for affirmative and questions.
Auxiliary used when talking about actions right now in second person for affirmative and questions.
Auxiliary used when talking about actions in past with no reference in time in first and second person for negative.
Auxiliary used when talking about actions right now in first person for affirmative and questions.
Auxiliary used when talking about actions in past with no reference in time in third person for affirmative and questions.
Auxiliary used when talking about past and you have a verb, with reference in time for all the persons for questions.
Auxiliary used when talking about actions right now in third person for negative.
Auxiliary used when talking about past and you have a verb, with reference in time for all the persons for negative.
Auxiliary used when talking about routines, habits in first and second person for negative.
Auxiliary used when talking about past and you don't have a verb, with reference in time for first and third person for negative.
Auxiliary used when talking about past and you don't have a verb, with reference in time for second person for affirmative questions.
Auxiliary used when talking about actions right now in second person for negative.
Auxiliary used when talking about routines, habits in third person for negative.
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Has
Is
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Do
Was
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Did
Haven't
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