could annotate annotate
Regular verb: annotate annotate - annotate annotated- annotate annotated

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

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could annotate annotate
you could annotate annotate
he could annotate annotate
we could annotate annotate
you could annotate annotate
they could annotate annotate 	I could be annotate annotating
you could be annotate annotating
he could be annotate annotating
we could be annotate annotating
you could be annotate annotating
they could be annotate annotating	I could have annotate annotated
you could have annotate annotated
he could have annotate annotated
we could have annotate annotated
you could have annotate annotated
they could have annotate annotated	I could have been annotate annotating
you could have been annotate annotating
he could have been annotate annotating
we could have been annotate annotating
you could have been annotate annotating
they could have been annotate annotating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't annotate annotate
you couldn't annotate annotate
he couldn't annotate annotate
we couldn't annotate annotate
you couldn't annotate annotate
they couldn't annotate annotate 	I couldn't be annotate annotating
you couldn't be annotate annotating
he couldn't be annotate annotating
we couldn't be annotate annotating
you couldn't be annotate annotating
they couldn't be annotate annotating	I couldn't have annotate annotated
you couldn't have annotate annotated
he couldn't have annotate annotated
we couldn't have annotate annotated
you couldn't have annotate annotated
they couldn't have annotate annotated	I couldn't have been annotate annotating
you couldn't have been annotate annotating
he couldn't have been annotate annotating
we couldn't have been annotate annotating
you couldn't have been annotate annotating
they couldn't have been annotate annotating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I annotate annotate?
could you annotate annotate?
could he annotate annotate?
could we annotate annotate?
could you annotate annotate?
could they annotate annotate? 	could I be annotate annotating?
could you be annotate annotating?
could he be annotate annotating?
could we be annotate annotating?
could you be annotate annotating?
could they be annotate annotating? 	could I have annotate annotated?
could you have annotate annotated?
could he have annotate annotated?
could we have annotate annotated?
could you have annotate annotated?
could they have annotate annotated? 	could I have been annotate annotating?
could you have been annotate annotating?
could he have been annotate annotating?
could we have been annotate annotating?
could you have been annotate annotating?
could they have been annotate annotating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I annotate annotate?
couldn't you annotate annotate?
couldn't he annotate annotate?
couldn't we annotate annotate?
couldn't you annotate annotate?
couldn't they annotate annotate? 	couldn't I be annotate annotating?
couldn't you be annotate annotating?
couldn't he be annotate annotating?
couldn't we be annotate annotating?
couldn't you be annotate annotating?
couldn't they be annotate annotating? 	couldn't I have annotate annotated?
couldn't you have annotate annotated?
couldn't he have annotate annotated?
couldn't we have annotate annotated?
couldn't you have annotate annotated?
couldn't they have annotate annotated? 	couldn't I have been annotate annotating?
couldn't you have been annotate annotating?
couldn't he have been annotate annotating?
couldn't we have been annotate annotating?
couldn't you have been annotate annotating?
couldn't they have been annotate annotating?