could methylate
Regular verb: methylate - methylated- methylated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could methylate
you could methylate
she could methylate
we could methylate
you could methylate
they could methylate 	I could be methylating
you could be methylating
she could be methylating
we could be methylating
you could be methylating
they could be methylating	I could have methylated
you could have methylated
she could have methylated
we could have methylated
you could have methylated
they could have methylated	I could have been methylating
you could have been methylating
she could have been methylating
we could have been methylating
you could have been methylating
they could have been methylating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not methylate
you could not methylate
she could not methylate
we could not methylate
you could not methylate
they could not methylate 	I could not be methylating
you could not be methylating
she could not be methylating
we could not be methylating
you could not be methylating
they could not be methylating	I could not have methylated
you could not have methylated
she could not have methylated
we could not have methylated
you could not have methylated
they could not have methylated	I could not have been methylating
you could not have been methylating
she could not have been methylating
we could not have been methylating
you could not have been methylating
they could not have been methylating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I methylate?
could you methylate?
could she methylate?
could we methylate?
could you methylate?
could they methylate? 	could I be methylating?
could you be methylating?
could she be methylating?
could we be methylating?
could you be methylating?
could they be methylating? 	could I have methylated?
could you have methylated?
could she have methylated?
could we have methylated?
could you have methylated?
could they have methylated? 	could I have been methylating?
could you have been methylating?
could she have been methylating?
could we have been methylating?
could you have been methylating?
could they have been methylating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not methylate?
could you not methylate?
could she not methylate?
could we not methylate?
could you not methylate?
could they not methylate? 	could I not be methylating?
could you not be methylating?
could she not be methylating?
could we not be methylating?
could you not be methylating?
could they not be methylating? 	could I not have methylated?
could you not have methylated?
could she not have methylated?
could we not have methylated?
could you not have methylated?
could they not have methylated? 	could I not have been methylating?
could you not have been methylating?
could she not have been methylating?
could we not have been methylating?
could you not have been methylating?
could they not have been methylating?