can graph
Regular verb: graph - graphed- graphed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can graph
you can graph
he can graph
we can graph
you can graph
they can graph 	I can be graphing
you can be graphing
he can be graphing
we can be graphing
you can be graphing
they can be graphing	I can have graphed
you can have graphed
he can have graphed
we can have graphed
you can have graphed
they can have graphed	I can have been graphing
you can have been graphing
he can have been graphing
we can have been graphing
you can have been graphing
they can have been graphing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot graph
you cannot graph
he cannot graph
we cannot graph
you cannot graph
they cannot graph 	I cannot be graphing
you cannot be graphing
he cannot be graphing
we cannot be graphing
you cannot be graphing
they cannot be graphing	I cannot have graphed
you cannot have graphed
he cannot have graphed
we cannot have graphed
you cannot have graphed
they cannot have graphed	I cannot have been graphing
you cannot have been graphing
he cannot have been graphing
we cannot have been graphing
you cannot have been graphing
they cannot have been graphing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I graph?
can you graph?
can he graph?
can we graph?
can you graph?
can they graph? 	can I be graphing?
can you be graphing?
can he be graphing?
can we be graphing?
can you be graphing?
can they be graphing? 	can I have graphed?
can you have graphed?
can he have graphed?
can we have graphed?
can you have graphed?
can they have graphed? 	can I have been graphing?
can you have been graphing?
can he have been graphing?
can we have been graphing?
can you have been graphing?
can they have been graphing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not graph?
can you not graph?
can he not graph?
can we not graph?
can you not graph?
can they not graph? 	can I not be graphing?
can you not be graphing?
can he not be graphing?
can we not be graphing?
can you not be graphing?
can they not be graphing? 	can I not have graphed?
can you not have graphed?
can he not have graphed?
can we not have graphed?
can you not have graphed?
can they not have graphed? 	can I not have been graphing?
can you not have been graphing?
can he not have been graphing?
can we not have been graphing?
can you not have been graphing?
can they not have been graphing?