can graft
Regular verb: graft - grafted- grafted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can graft
you can graft
he can graft
we can graft
you can graft
they can graft 	I can be grafting
you can be grafting
he can be grafting
we can be grafting
you can be grafting
they can be grafting	I can have grafted
you can have grafted
he can have grafted
we can have grafted
you can have grafted
they can have grafted	I can have been grafting
you can have been grafting
he can have been grafting
we can have been grafting
you can have been grafting
they can have been grafting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot graft
you cannot graft
he cannot graft
we cannot graft
you cannot graft
they cannot graft 	I cannot be grafting
you cannot be grafting
he cannot be grafting
we cannot be grafting
you cannot be grafting
they cannot be grafting	I cannot have grafted
you cannot have grafted
he cannot have grafted
we cannot have grafted
you cannot have grafted
they cannot have grafted	I cannot have been grafting
you cannot have been grafting
he cannot have been grafting
we cannot have been grafting
you cannot have been grafting
they cannot have been grafting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I graft?
can you graft?
can he graft?
can we graft?
can you graft?
can they graft? 	can I be grafting?
can you be grafting?
can he be grafting?
can we be grafting?
can you be grafting?
can they be grafting? 	can I have grafted?
can you have grafted?
can he have grafted?
can we have grafted?
can you have grafted?
can they have grafted? 	can I have been grafting?
can you have been grafting?
can he have been grafting?
can we have been grafting?
can you have been grafting?
can they have been grafting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not graft?
can you not graft?
can he not graft?
can we not graft?
can you not graft?
can they not graft? 	can I not be grafting?
can you not be grafting?
can he not be grafting?
can we not be grafting?
can you not be grafting?
can they not be grafting? 	can I not have grafted?
can you not have grafted?
can he not have grafted?
can we not have grafted?
can you not have grafted?
can they not have grafted? 	can I not have been grafting?
can you not have been grafting?
can he not have been grafting?
can we not have been grafting?
can you not have been grafting?
can they not have been grafting?