can pontificate
Regular verb: pontificate - pontificated- pontificated

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

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

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

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