English verb conjugation COULD TILLER

Regular verb: tiller - tillered - tillered

Affirmation

Simple form

I could tiller
you could tiller
he could tiller
we could tiller
you could tiller
they could tiller

V-ing form

I could be tillering
you could be tillering
he could be tillering
we could be tillering
you could be tillering
they could be tillering

Perfect

I could have tillered
you could have tillered
he could have tillered
we could have tillered
you could have tillered
they could have tillered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tiller?
could you tiller?
could he tiller?
could we tiller?
could you tiller?
could they tiller?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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