English verb conjugation COULD IMPEARL

Regular verb: impearl - impearled - impearled

Affirmation

Simple form

I could impearl
you could impearl
he could impearl
we could impearl
you could impearl
they could impearl

V-ing form

I could be impearling
you could be impearling
he could be impearling
we could be impearling
you could be impearling
they could be impearling

Perfect

I could have impearled
you could have impearled
he could have impearled
we could have impearled
you could have impearled
they could have impearled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I impearl?
could you impearl?
could he impearl?
could we impearl?
could you impearl?
could they impearl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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