English verb conjugation CAN COUGH

Regular verb: cough - coughed - coughed

Affirmation

Simple form

I can cough
you can cough
he can cough
we can cough
you can cough
they can cough

V-ing form

I can be coughing
you can be coughing
he can be coughing
we can be coughing
you can be coughing
they can be coughing

Perfect

I can have coughed
you can have coughed
he can have coughed
we can have coughed
you can have coughed
they can have coughed

V-ing perfect

I can have been coughing
you can have been coughing
he can have been coughing
we can have been coughing
you can have been coughing
they can have been coughing

Negation

Simple form

I cannot cough
you cannot cough
he cannot cough
we cannot cough
you cannot cough
they cannot cough

V-ing form

I cannot be coughing
you cannot be coughing
he cannot be coughing
we cannot be coughing
you cannot be coughing
they cannot be coughing

Perfect

I cannot have coughed
you cannot have coughed
he cannot have coughed
we cannot have coughed
you cannot have coughed
they cannot have coughed

V-ing perfect

I cannot have been coughing
you cannot have been coughing
he cannot have been coughing
we cannot have been coughing
you cannot have been coughing
they cannot have been coughing

Interrogative form

Simple form

can I cough?
can you cough?
can he cough?
can we cough?
can you cough?
can they cough?

V-ing form

can I be coughing?
can you be coughing?
can he be coughing?
can we be coughing?
can you be coughing?
can they be coughing?

Perfect

can I have coughed?
can you have coughed?
can he have coughed?
can we have coughed?
can you have coughed?
can they have coughed?

V-ing perfect

can I have been coughing?
can you have been coughing?
can he have been coughing?
can we have been coughing?
can you have been coughing?
can they have been coughing?

Interro-negative form

Simple form

can I not cough?
can you not cough?
can he not cough?
can we not cough?
can you not cough?
can they not cough?

V-ing form

can I not be coughing?
can you not be coughing?
can he not be coughing?
can we not be coughing?
can you not be coughing?
can they not be coughing?

Perfect

can I not have coughed?
can you not have coughed?
can he not have coughed?
can we not have coughed?
can you not have coughed?
can they not have coughed?

V-ing perfect

can I not have been coughing?
can you not have been coughing?
can he not have been coughing?
can we not have been coughing?
can you not have been coughing?
can they not have been coughing?

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