can prognosticate
Regular verb: prognosticate - prognosticated- prognosticated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can prognosticate
you can prognosticate
she can prognosticate
we can prognosticate
you can prognosticate
they can prognosticate 	I can be prognosticating
you can be prognosticating
she can be prognosticating
we can be prognosticating
you can be prognosticating
they can be prognosticating	I can have prognosticated
you can have prognosticated
she can have prognosticated
we can have prognosticated
you can have prognosticated
they can have prognosticated	I can have been prognosticating
you can have been prognosticating
she can have been prognosticating
we can have been prognosticating
you can have been prognosticating
they can have been prognosticating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot prognosticate
you cannot prognosticate
she cannot prognosticate
we cannot prognosticate
you cannot prognosticate
they cannot prognosticate 	I cannot be prognosticating
you cannot be prognosticating
she cannot be prognosticating
we cannot be prognosticating
you cannot be prognosticating
they cannot be prognosticating	I cannot have prognosticated
you cannot have prognosticated
she cannot have prognosticated
we cannot have prognosticated
you cannot have prognosticated
they cannot have prognosticated	I cannot have been prognosticating
you cannot have been prognosticating
she cannot have been prognosticating
we cannot have been prognosticating
you cannot have been prognosticating
they cannot have been prognosticating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I prognosticate?
can you prognosticate?
can she prognosticate?
can we prognosticate?
can you prognosticate?
can they prognosticate? 	can I be prognosticating?
can you be prognosticating?
can she be prognosticating?
can we be prognosticating?
can you be prognosticating?
can they be prognosticating? 	can I have prognosticated?
can you have prognosticated?
can she have prognosticated?
can we have prognosticated?
can you have prognosticated?
can they have prognosticated? 	can I have been prognosticating?
can you have been prognosticating?
can she have been prognosticating?
can we have been prognosticating?
can you have been prognosticating?
can they have been prognosticating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not prognosticate?
can you not prognosticate?
can she not prognosticate?
can we not prognosticate?
can you not prognosticate?
can they not prognosticate? 	can I not be prognosticating?
can you not be prognosticating?
can she not be prognosticating?
can we not be prognosticating?
can you not be prognosticating?
can they not be prognosticating? 	can I not have prognosticated?
can you not have prognosticated?
can she not have prognosticated?
can we not have prognosticated?
can you not have prognosticated?
can they not have prognosticated? 	can I not have been prognosticating?
can you not have been prognosticating?
can she not have been prognosticating?
can we not have been prognosticating?
can you not have been prognosticating?
can they not have been prognosticating?