could tenir
Regular verb: tenir - tenired- tenired

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

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tenir
you could tenir
she could tenir
we could tenir
you could tenir
they could tenir 	I could be teniring
you could be teniring
she could be teniring
we could be teniring
you could be teniring
they could be teniring	I could have tenired
you could have tenired
she could have tenired
we could have tenired
you could have tenired
they could have tenired	I could have been teniring
you could have been teniring
she could have been teniring
we could have been teniring
you could have been teniring
they could have been teniring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't tenir
you couldn't tenir
she couldn't tenir
we couldn't tenir
you couldn't tenir
they couldn't tenir 	I couldn't be teniring
you couldn't be teniring
she couldn't be teniring
we couldn't be teniring
you couldn't be teniring
they couldn't be teniring	I couldn't have tenired
you couldn't have tenired
she couldn't have tenired
we couldn't have tenired
you couldn't have tenired
they couldn't have tenired	I couldn't have been teniring
you couldn't have been teniring
she couldn't have been teniring
we couldn't have been teniring
you couldn't have been teniring
they couldn't have been teniring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tenir?
could you tenir?
could she tenir?
could we tenir?
could you tenir?
could they tenir? 	could I be teniring?
could you be teniring?
could she be teniring?
could we be teniring?
could you be teniring?
could they be teniring? 	could I have tenired?
could you have tenired?
could she have tenired?
could we have tenired?
could you have tenired?
could they have tenired? 	could I have been teniring?
could you have been teniring?
could she have been teniring?
could we have been teniring?
could you have been teniring?
could they have been teniring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I tenir?
couldn't you tenir?
couldn't she tenir?
couldn't we tenir?
couldn't you tenir?
couldn't they tenir? 	couldn't I be teniring?
couldn't you be teniring?
couldn't she be teniring?
couldn't we be teniring?
couldn't you be teniring?
couldn't they be teniring? 	couldn't I have tenired?
couldn't you have tenired?
couldn't she have tenired?
couldn't we have tenired?
couldn't you have tenired?
couldn't they have tenired? 	couldn't I have been teniring?
couldn't you have been teniring?
couldn't she have been teniring?
couldn't we have been teniring?
couldn't you have been teniring?
couldn't they have been teniring?