could tauten tauten
Regular verb: tauten tauten - tauten tautened- tauten tautened

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tauten tauten
you could tauten tauten
he could tauten tauten
we could tauten tauten
you could tauten tauten
they could tauten tauten 	I could be tauten tautening
you could be tauten tautening
he could be tauten tautening
we could be tauten tautening
you could be tauten tautening
they could be tauten tautening	I could have tauten tautened
you could have tauten tautened
he could have tauten tautened
we could have tauten tautened
you could have tauten tautened
they could have tauten tautened	I could have been tauten tautening
you could have been tauten tautening
he could have been tauten tautening
we could have been tauten tautening
you could have been tauten tautening
they could have been tauten tautening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not tauten tauten
you could not tauten tauten
he could not tauten tauten
we could not tauten tauten
you could not tauten tauten
they could not tauten tauten 	I could not be tauten tautening
you could not be tauten tautening
he could not be tauten tautening
we could not be tauten tautening
you could not be tauten tautening
they could not be tauten tautening	I could not have tauten tautened
you could not have tauten tautened
he could not have tauten tautened
we could not have tauten tautened
you could not have tauten tautened
they could not have tauten tautened	I could not have been tauten tautening
you could not have been tauten tautening
he could not have been tauten tautening
we could not have been tauten tautening
you could not have been tauten tautening
they could not have been tauten tautening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tauten tauten?
could you tauten tauten?
could he tauten tauten?
could we tauten tauten?
could you tauten tauten?
could they tauten tauten? 	could I be tauten tautening?
could you be tauten tautening?
could he be tauten tautening?
could we be tauten tautening?
could you be tauten tautening?
could they be tauten tautening? 	could I have tauten tautened?
could you have tauten tautened?
could he have tauten tautened?
could we have tauten tautened?
could you have tauten tautened?
could they have tauten tautened? 	could I have been tauten tautening?
could you have been tauten tautening?
could he have been tauten tautening?
could we have been tauten tautening?
could you have been tauten tautening?
could they have been tauten tautening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not tauten tauten?
could you not tauten tauten?
could he not tauten tauten?
could we not tauten tauten?
could you not tauten tauten?
could they not tauten tauten? 	could I not be tauten tautening?
could you not be tauten tautening?
could he not be tauten tautening?
could we not be tauten tautening?
could you not be tauten tautening?
could they not be tauten tautening? 	could I not have tauten tautened?
could you not have tauten tautened?
could he not have tauten tautened?
could we not have tauten tautened?
could you not have tauten tautened?
could they not have tauten tautened? 	could I not have been tauten tautening?
could you not have been tauten tautening?
could he not have been tauten tautening?
could we not have been tauten tautening?
could you not have been tauten tautening?
could they not have been tauten tautening?