English verb conjugation COULD LOWER

Regular verb: lower - lowered - lowered

Affirmation

Simple form

I could lower
you could lower
he could lower
we could lower
you could lower
they could lower

V-ing form

I could be lowering
you could be lowering
he could be lowering
we could be lowering
you could be lowering
they could be lowering

Perfect

I could have lowered
you could have lowered
he could have lowered
we could have lowered
you could have lowered
they could have lowered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I lower?
could you lower?
could he lower?
could we lower?
could you lower?
could they lower?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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