English verb conjugation COULD INCREASE

Regular verb: increase - increased - increased

Affirmation

Simple form

I could increase
you could increase
he could increase
we could increase
you could increase
they could increase

V-ing form

I could be increasing
you could be increasing
he could be increasing
we could be increasing
you could be increasing
they could be increasing

Perfect

I could have increased
you could have increased
he could have increased
we could have increased
you could have increased
they could have increased

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I increase?
could you increase?
could he increase?
could we increase?
could you increase?
could they increase?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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