English verb conjugation COULD TAUTEN

Regular verb: tauten - tautened - tautened

Affirmation

Simple form

I could tauten
you could tauten
he could tauten
we could tauten
you could tauten
they could tauten

V-ing form

I could be tautening
you could be tautening
he could be tautening
we could be tautening
you could be tautening
they could be tautening

Perfect

I could have tautened
you could have tautened
he could have tautened
we could have tautened
you could have tautened
they could have tautened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tauten?
could you tauten?
could he tauten?
could we tauten?
could you tauten?
could they tauten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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