could christen
Regular verb: christen - christened- christened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could christen
you could christen
he could christen
we could christen
you could christen
they could christen 	I could be christening
you could be christening
he could be christening
we could be christening
you could be christening
they could be christening	I could have christened
you could have christened
he could have christened
we could have christened
you could have christened
they could have christened	I could have been christening
you could have been christening
he could have been christening
we could have been christening
you could have been christening
they could have been christening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not christen
you could not christen
he could not christen
we could not christen
you could not christen
they could not christen 	I could not be christening
you could not be christening
he could not be christening
we could not be christening
you could not be christening
they could not be christening	I could not have christened
you could not have christened
he could not have christened
we could not have christened
you could not have christened
they could not have christened	I could not have been christening
you could not have been christening
he could not have been christening
we could not have been christening
you could not have been christening
they could not have been christening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I christen?
could you christen?
could he christen?
could we christen?
could you christen?
could they christen? 	could I be christening?
could you be christening?
could he be christening?
could we be christening?
could you be christening?
could they be christening? 	could I have christened?
could you have christened?
could he have christened?
could we have christened?
could you have christened?
could they have christened? 	could I have been christening?
could you have been christening?
could he have been christening?
could we have been christening?
could you have been christening?
could they have been christening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not christen?
could you not christen?
could he not christen?
could we not christen?
could you not christen?
could they not christen? 	could I not be christening?
could you not be christening?
could he not be christening?
could we not be christening?
could you not be christening?
could they not be christening? 	could I not have christened?
could you not have christened?
could he not have christened?
could we not have christened?
could you not have christened?
could they not have christened? 	could I not have been christening?
could you not have been christening?
could he not have been christening?
could we not have been christening?
could you not have been christening?
could they not have been christening?