can spell-check
Regular verb: spell-check - spell-checked- spell-checked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can spell-check
you can spell-check
he can spell-check
we can spell-check
you can spell-check
they can spell-check 	I can be spell-checking
you can be spell-checking
he can be spell-checking
we can be spell-checking
you can be spell-checking
they can be spell-checking	I can have spell-checked
you can have spell-checked
he can have spell-checked
we can have spell-checked
you can have spell-checked
they can have spell-checked	I can have been spell-checking
you can have been spell-checking
he can have been spell-checking
we can have been spell-checking
you can have been spell-checking
they can have been spell-checking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot spell-check
you cannot spell-check
he cannot spell-check
we cannot spell-check
you cannot spell-check
they cannot spell-check 	I cannot be spell-checking
you cannot be spell-checking
he cannot be spell-checking
we cannot be spell-checking
you cannot be spell-checking
they cannot be spell-checking	I cannot have spell-checked
you cannot have spell-checked
he cannot have spell-checked
we cannot have spell-checked
you cannot have spell-checked
they cannot have spell-checked	I cannot have been spell-checking
you cannot have been spell-checking
he cannot have been spell-checking
we cannot have been spell-checking
you cannot have been spell-checking
they cannot have been spell-checking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I spell-check?
can you spell-check?
can he spell-check?
can we spell-check?
can you spell-check?
can they spell-check? 	can I be spell-checking?
can you be spell-checking?
can he be spell-checking?
can we be spell-checking?
can you be spell-checking?
can they be spell-checking? 	can I have spell-checked?
can you have spell-checked?
can he have spell-checked?
can we have spell-checked?
can you have spell-checked?
can they have spell-checked? 	can I have been spell-checking?
can you have been spell-checking?
can he have been spell-checking?
can we have been spell-checking?
can you have been spell-checking?
can they have been spell-checking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not spell-check?
can you not spell-check?
can he not spell-check?
can we not spell-check?
can you not spell-check?
can they not spell-check? 	can I not be spell-checking?
can you not be spell-checking?
can he not be spell-checking?
can we not be spell-checking?
can you not be spell-checking?
can they not be spell-checking? 	can I not have spell-checked?
can you not have spell-checked?
can he not have spell-checked?
can we not have spell-checked?
can you not have spell-checked?
can they not have spell-checked? 	can I not have been spell-checking?
can you not have been spell-checking?
can he not have been spell-checking?
can we not have been spell-checking?
can you not have been spell-checking?
can they not have been spell-checking?