English verb conjugation COULD EXERCISE

Regular verb: exercise - exercised - exercised

Affirmation

Simple form

I could exercise
you could exercise
he could exercise
we could exercise
you could exercise
they could exercise

V-ing form

I could be exercising
you could be exercising
he could be exercising
we could be exercising
you could be exercising
they could be exercising

Perfect

I could have exercised
you could have exercised
he could have exercised
we could have exercised
you could have exercised
they could have exercised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I exercise?
could you exercise?
could he exercise?
could we exercise?
could you exercise?
could they exercise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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