could pontificate
Regular verb: pontificate - pontificated- pontificated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could pontificate
you could pontificate
he could pontificate
we could pontificate
you could pontificate
they could pontificate 	I could be pontificating
you could be pontificating
he could be pontificating
we could be pontificating
you could be pontificating
they could be pontificating	I could have pontificated
you could have pontificated
he could have pontificated
we could have pontificated
you could have pontificated
they could have pontificated	I could have been pontificating
you could have been pontificating
he could have been pontificating
we could have been pontificating
you could have been pontificating
they could have been pontificating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't pontificate
you couldn't pontificate
he couldn't pontificate
we couldn't pontificate
you couldn't pontificate
they couldn't pontificate 	I couldn't be pontificating
you couldn't be pontificating
he couldn't be pontificating
we couldn't be pontificating
you couldn't be pontificating
they couldn't be pontificating	I couldn't have pontificated
you couldn't have pontificated
he couldn't have pontificated
we couldn't have pontificated
you couldn't have pontificated
they couldn't have pontificated	I couldn't have been pontificating
you couldn't have been pontificating
he couldn't have been pontificating
we couldn't have been pontificating
you couldn't have been pontificating
they couldn't have been pontificating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I pontificate?
could you pontificate?
could he pontificate?
could we pontificate?
could you pontificate?
could they pontificate? 	could I be pontificating?
could you be pontificating?
could he be pontificating?
could we be pontificating?
could you be pontificating?
could they be pontificating? 	could I have pontificated?
could you have pontificated?
could he have pontificated?
could we have pontificated?
could you have pontificated?
could they have pontificated? 	could I have been pontificating?
could you have been pontificating?
could he have been pontificating?
could we have been pontificating?
could you have been pontificating?
could they have been pontificating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I pontificate?
couldn't you pontificate?
couldn't he pontificate?
couldn't we pontificate?
couldn't you pontificate?
couldn't they pontificate? 	couldn't I be pontificating?
couldn't you be pontificating?
couldn't he be pontificating?
couldn't we be pontificating?
couldn't you be pontificating?
couldn't they be pontificating? 	couldn't I have pontificated?
couldn't you have pontificated?
couldn't he have pontificated?
couldn't we have pontificated?
couldn't you have pontificated?
couldn't they have pontificated? 	couldn't I have been pontificating?
couldn't you have been pontificating?
couldn't he have been pontificating?
couldn't we have been pontificating?
couldn't you have been pontificating?
couldn't they have been pontificating?