English verb conjugation COULD SMOKE

Regular verb: smoke - smoked - smoked

Affirmation

Simple form

I could smoke
you could smoke
he could smoke
we could smoke
you could smoke
they could smoke

V-ing form

I could be smoking
you could be smoking
he could be smoking
we could be smoking
you could be smoking
they could be smoking

Perfect

I could have smoked
you could have smoked
he could have smoked
we could have smoked
you could have smoked
they could have smoked

V-ing perfect

I could have been smoking
you could have been smoking
he could have been smoking
we could have been smoking
you could have been smoking
they could have been smoking

Negation

Simple form

I couldn't smoke
you couldn't smoke
he couldn't smoke
we couldn't smoke
you couldn't smoke
they couldn't smoke

V-ing form

I couldn't be smoking
you couldn't be smoking
he couldn't be smoking
we couldn't be smoking
you couldn't be smoking
they couldn't be smoking

Perfect

I couldn't have smoked
you couldn't have smoked
he couldn't have smoked
we couldn't have smoked
you couldn't have smoked
they couldn't have smoked

V-ing perfect

I couldn't have been smoking
you couldn't have been smoking
he couldn't have been smoking
we couldn't have been smoking
you couldn't have been smoking
they couldn't have been smoking

Interrogative form

Simple form

could I smoke?
could you smoke?
could he smoke?
could we smoke?
could you smoke?
could they smoke?

V-ing form

could I be smoking?
could you be smoking?
could he be smoking?
could we be smoking?
could you be smoking?
could they be smoking?

Perfect

could I have smoked?
could you have smoked?
could he have smoked?
could we have smoked?
could you have smoked?
could they have smoked?

V-ing perfect

could I have been smoking?
could you have been smoking?
could he have been smoking?
could we have been smoking?
could you have been smoking?
could they have been smoking?

Interro-negative form

Simple form

couldn't I smoke?
couldn't you smoke?
couldn't he smoke?
couldn't we smoke?
couldn't you smoke?
couldn't they smoke?

V-ing form

couldn't I be smoking?
couldn't you be smoking?
couldn't he be smoking?
couldn't we be smoking?
couldn't you be smoking?
couldn't they be smoking?

Perfect

couldn't I have smoked?
couldn't you have smoked?
couldn't he have smoked?
couldn't we have smoked?
couldn't you have smoked?
couldn't they have smoked?

V-ing perfect

couldn't I have been smoking?
couldn't you have been smoking?
couldn't he have been smoking?
couldn't we have been smoking?
couldn't you have been smoking?
couldn't they have been smoking?

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