can phase
Regular verb: phase - phased- phased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can phase
you can phase
he can phase
we can phase
you can phase
they can phase 	I can be phasing
you can be phasing
he can be phasing
we can be phasing
you can be phasing
they can be phasing	I can have phased
you can have phased
he can have phased
we can have phased
you can have phased
they can have phased	I can have been phasing
you can have been phasing
he can have been phasing
we can have been phasing
you can have been phasing
they can have been phasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't phase
you can't phase
he can't phase
we can't phase
you can't phase
they can't phase 	I can't be phasing
you can't be phasing
he can't be phasing
we can't be phasing
you can't be phasing
they can't be phasing	I can't have phased
you can't have phased
he can't have phased
we can't have phased
you can't have phased
they can't have phased	I can't have been phasing
you can't have been phasing
he can't have been phasing
we can't have been phasing
you can't have been phasing
they can't have been phasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I phase?
can you phase?
can he phase?
can we phase?
can you phase?
can they phase? 	can I be phasing?
can you be phasing?
can he be phasing?
can we be phasing?
can you be phasing?
can they be phasing? 	can I have phased?
can you have phased?
can he have phased?
can we have phased?
can you have phased?
can they have phased? 	can I have been phasing?
can you have been phasing?
can he have been phasing?
can we have been phasing?
can you have been phasing?
can they have been phasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I phase?
can't you phase?
can't he phase?
can't we phase?
can't you phase?
can't they phase? 	can't I be phasing?
can't you be phasing?
can't he be phasing?
can't we be phasing?
can't you be phasing?
can't they be phasing? 	can't I have phased?
can't you have phased?
can't he have phased?
can't we have phased?
can't you have phased?
can't they have phased? 	can't I have been phasing?
can't you have been phasing?
can't he have been phasing?
can't we have been phasing?
can't you have been phasing?
can't they have been phasing?