can predate
Regular verb: predate - predated- predated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can predate
you can predate
he can predate
we can predate
you can predate
they can predate 	I can be predating
you can be predating
he can be predating
we can be predating
you can be predating
they can be predating	I can have predated
you can have predated
he can have predated
we can have predated
you can have predated
they can have predated	I can have been predating
you can have been predating
he can have been predating
we can have been predating
you can have been predating
they can have been predating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot predate
you cannot predate
he cannot predate
we cannot predate
you cannot predate
they cannot predate 	I cannot be predating
you cannot be predating
he cannot be predating
we cannot be predating
you cannot be predating
they cannot be predating	I cannot have predated
you cannot have predated
he cannot have predated
we cannot have predated
you cannot have predated
they cannot have predated	I cannot have been predating
you cannot have been predating
he cannot have been predating
we cannot have been predating
you cannot have been predating
they cannot have been predating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I predate?
can you predate?
can he predate?
can we predate?
can you predate?
can they predate? 	can I be predating?
can you be predating?
can he be predating?
can we be predating?
can you be predating?
can they be predating? 	can I have predated?
can you have predated?
can he have predated?
can we have predated?
can you have predated?
can they have predated? 	can I have been predating?
can you have been predating?
can he have been predating?
can we have been predating?
can you have been predating?
can they have been predating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not predate?
can you not predate?
can he not predate?
can we not predate?
can you not predate?
can they not predate? 	can I not be predating?
can you not be predating?
can he not be predating?
can we not be predating?
can you not be predating?
can they not be predating? 	can I not have predated?
can you not have predated?
can he not have predated?
can we not have predated?
can you not have predated?
can they not have predated? 	can I not have been predating?
can you not have been predating?
can he not have been predating?
can we not have been predating?
can you not have been predating?
can they not have been predating?