can derai
Regular verb: derai - deraied- deraied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can derai
you can derai
he can derai
we can derai
you can derai
they can derai 	I can be deraiing
you can be deraiing
he can be deraiing
we can be deraiing
you can be deraiing
they can be deraiing	I can have deraied
you can have deraied
he can have deraied
we can have deraied
you can have deraied
they can have deraied	I can have been deraiing
you can have been deraiing
he can have been deraiing
we can have been deraiing
you can have been deraiing
they can have been deraiing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't derai
you can't derai
he can't derai
we can't derai
you can't derai
they can't derai 	I can't be deraiing
you can't be deraiing
he can't be deraiing
we can't be deraiing
you can't be deraiing
they can't be deraiing	I can't have deraied
you can't have deraied
he can't have deraied
we can't have deraied
you can't have deraied
they can't have deraied	I can't have been deraiing
you can't have been deraiing
he can't have been deraiing
we can't have been deraiing
you can't have been deraiing
they can't have been deraiing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I derai?
can you derai?
can he derai?
can we derai?
can you derai?
can they derai? 	can I be deraiing?
can you be deraiing?
can he be deraiing?
can we be deraiing?
can you be deraiing?
can they be deraiing? 	can I have deraied?
can you have deraied?
can he have deraied?
can we have deraied?
can you have deraied?
can they have deraied? 	can I have been deraiing?
can you have been deraiing?
can he have been deraiing?
can we have been deraiing?
can you have been deraiing?
can they have been deraiing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I derai?
can't you derai?
can't he derai?
can't we derai?
can't you derai?
can't they derai? 	can't I be deraiing?
can't you be deraiing?
can't he be deraiing?
can't we be deraiing?
can't you be deraiing?
can't they be deraiing? 	can't I have deraied?
can't you have deraied?
can't he have deraied?
can't we have deraied?
can't you have deraied?
can't they have deraied? 	can't I have been deraiing?
can't you have been deraiing?
can't he have been deraiing?
can't we have been deraiing?
can't you have been deraiing?
can't they have been deraiing?