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

English verb conjugation COULD COUGH

Regular verb: cough - coughed - coughed


Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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