could constellate
Regular verb: constellate - constellated- constellated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could constellate
you could constellate
she could constellate
we could constellate
you could constellate
they could constellate 	I could be constellating
you could be constellating
she could be constellating
we could be constellating
you could be constellating
they could be constellating	I could have constellated
you could have constellated
she could have constellated
we could have constellated
you could have constellated
they could have constellated	I could have been constellating
you could have been constellating
she could have been constellating
we could have been constellating
you could have been constellating
they could have been constellating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't constellate
you couldn't constellate
she couldn't constellate
we couldn't constellate
you couldn't constellate
they couldn't constellate 	I couldn't be constellating
you couldn't be constellating
she couldn't be constellating
we couldn't be constellating
you couldn't be constellating
they couldn't be constellating	I couldn't have constellated
you couldn't have constellated
she couldn't have constellated
we couldn't have constellated
you couldn't have constellated
they couldn't have constellated	I couldn't have been constellating
you couldn't have been constellating
she couldn't have been constellating
we couldn't have been constellating
you couldn't have been constellating
they couldn't have been constellating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I constellate?
could you constellate?
could she constellate?
could we constellate?
could you constellate?
could they constellate? 	could I be constellating?
could you be constellating?
could she be constellating?
could we be constellating?
could you be constellating?
could they be constellating? 	could I have constellated?
could you have constellated?
could she have constellated?
could we have constellated?
could you have constellated?
could they have constellated? 	could I have been constellating?
could you have been constellating?
could she have been constellating?
could we have been constellating?
could you have been constellating?
could they have been constellating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I constellate?
couldn't you constellate?
couldn't she constellate?
couldn't we constellate?
couldn't you constellate?
couldn't they constellate? 	couldn't I be constellating?
couldn't you be constellating?
couldn't she be constellating?
couldn't we be constellating?
couldn't you be constellating?
couldn't they be constellating? 	couldn't I have constellated?
couldn't you have constellated?
couldn't she have constellated?
couldn't we have constellated?
couldn't you have constellated?
couldn't they have constellated? 	couldn't I have been constellating?
couldn't you have been constellating?
couldn't she have been constellating?
couldn't we have been constellating?
couldn't you have been constellating?
couldn't they have been constellating?