The Conjugator
English verb conjugation
COULD COUGH

Regular verb: cough - coughed - coughed

Affirmation

Simple form

V-ing form

I could cough
you could cough
she could cough
we could cough
you could cough
they could cough
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

V-ing 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
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

V-ing form

I couldn't cough
you couldn't cough
she couldn't cough
we couldn't cough
you couldn't cough
they couldn't cough
I couldn't be coughing
you couldn't be coughing
she couldn't be coughing
we couldn't be coughing
you couldn't be coughing
they couldn't be coughing

Perfect

V-ing perfect

I couldn't have coughed
you couldn't have coughed
she couldn't have coughed
we couldn't have coughed
you couldn't have coughed
they couldn't have coughed
I couldn't have been coughing
you couldn't have been coughing
she couldn't have been coughing
we couldn't have been coughing
you couldn't have been coughing
they couldn't have been coughing

Interrogative form

Simple form

V-ing form

could I cough?
could you cough?
could she cough?
could we cough?
could you cough?
could they cough?
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

V-ing 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?
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

V-ing form

couldn't I cough?
couldn't you cough?
couldn't she cough?
couldn't we cough?
couldn't you cough?
couldn't they cough?
couldn't I be coughing?
couldn't you be coughing?
couldn't she be coughing?
couldn't we be coughing?
couldn't you be coughing?
couldn't they be coughing?

Perfect

V-ing perfect

couldn't I have coughed?
couldn't you have coughed?
couldn't she have coughed?
couldn't we have coughed?
couldn't you have coughed?
couldn't they have coughed?
couldn't I have been coughing?
couldn't you have been coughing?
couldn't she have been coughing?
couldn't we have been coughing?
couldn't you have been coughing?
couldn't they have been coughing?