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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST COUGH

Regular verb: cough - coughed - coughed


Affirmation

Simple form
I must cough
you must cough
she must cough
we must cough
you must cough
they must cough
V-ing form
I must be coughing
you must be coughing
she must be coughing
we must be coughing
you must be coughing
they must be coughing
Perfect
I must have coughed
you must have coughed
she must have coughed
we must have coughed
you must have coughed
they must have coughed
V-ing perfect
I must have been coughing
you must have been coughing
she must have been coughing
we must have been coughing
you must have been coughing
they must have been coughing

Negation

Simple form
I must not cough
you must not cough
she must not cough
we must not cough
you must not cough
they must not cough
V-ing form
I must not be coughing
you must not be coughing
she must not be coughing
we must not be coughing
you must not be coughing
they must not be coughing
Perfect
I must not have coughed
you must not have coughed
she must not have coughed
we must not have coughed
you must not have coughed
they must not have coughed
V-ing perfect
I must not have been coughing
you must not have been coughing
she must not have been coughing
we must not have been coughing
you must not have been coughing
they must not have been coughing

Interrogative form

Simple form
must I cough?
must you cough?
must she cough?
must we cough?
must you cough?
must they cough?
V-ing form
must I be coughing?
must you be coughing?
must she be coughing?
must we be coughing?
must you be coughing?
must they be coughing?
Perfect
must I have coughed?
must you have coughed?
must she have coughed?
must we have coughed?
must you have coughed?
must they have coughed?
V-ing perfect
must I have been coughing?
must you have been coughing?
must she have been coughing?
must we have been coughing?
must you have been coughing?
must they have been coughing?

Interro-negative form

Simple form
must I not cough?
must you not cough?
must she not cough?
must we not cough?
must you not cough?
must they not cough?
V-ing form
must I not be coughing?
must you not be coughing?
must she not be coughing?
must we not be coughing?
must you not be coughing?
must they not be coughing?
Perfect
must I not have coughed?
must you not have coughed?
must she not have coughed?
must we not have coughed?
must you not have coughed?
must they not have coughed?
V-ing perfect
must I not have been coughing?
must you not have been coughing?
must she not have been coughing?
must we not have been coughing?
must you not have been coughing?
must they not have been coughing?