can sclaff
Regular verb: sclaff - sclaffed- sclaffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sclaff
you can sclaff
he can sclaff
we can sclaff
you can sclaff
they can sclaff 	I can be sclaffing
you can be sclaffing
he can be sclaffing
we can be sclaffing
you can be sclaffing
they can be sclaffing	I can have sclaffed
you can have sclaffed
he can have sclaffed
we can have sclaffed
you can have sclaffed
they can have sclaffed	I can have been sclaffing
you can have been sclaffing
he can have been sclaffing
we can have been sclaffing
you can have been sclaffing
they can have been sclaffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot sclaff
you cannot sclaff
he cannot sclaff
we cannot sclaff
you cannot sclaff
they cannot sclaff 	I cannot be sclaffing
you cannot be sclaffing
he cannot be sclaffing
we cannot be sclaffing
you cannot be sclaffing
they cannot be sclaffing	I cannot have sclaffed
you cannot have sclaffed
he cannot have sclaffed
we cannot have sclaffed
you cannot have sclaffed
they cannot have sclaffed	I cannot have been sclaffing
you cannot have been sclaffing
he cannot have been sclaffing
we cannot have been sclaffing
you cannot have been sclaffing
they cannot have been sclaffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sclaff?
can you sclaff?
can he sclaff?
can we sclaff?
can you sclaff?
can they sclaff? 	can I be sclaffing?
can you be sclaffing?
can he be sclaffing?
can we be sclaffing?
can you be sclaffing?
can they be sclaffing? 	can I have sclaffed?
can you have sclaffed?
can he have sclaffed?
can we have sclaffed?
can you have sclaffed?
can they have sclaffed? 	can I have been sclaffing?
can you have been sclaffing?
can he have been sclaffing?
can we have been sclaffing?
can you have been sclaffing?
can they have been sclaffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not sclaff?
can you not sclaff?
can he not sclaff?
can we not sclaff?
can you not sclaff?
can they not sclaff? 	can I not be sclaffing?
can you not be sclaffing?
can he not be sclaffing?
can we not be sclaffing?
can you not be sclaffing?
can they not be sclaffing? 	can I not have sclaffed?
can you not have sclaffed?
can he not have sclaffed?
can we not have sclaffed?
can you not have sclaffed?
can they not have sclaffed? 	can I not have been sclaffing?
can you not have been sclaffing?
can he not have been sclaffing?
can we not have been sclaffing?
can you not have been sclaffing?
can they not have been sclaffing?