can mason
Regular verb: mason - masoned- masoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can mason
you can mason
he can mason
we can mason
you can mason
they can mason 	I can be masoning
you can be masoning
he can be masoning
we can be masoning
you can be masoning
they can be masoning	I can have masoned
you can have masoned
he can have masoned
we can have masoned
you can have masoned
they can have masoned	I can have been masoning
you can have been masoning
he can have been masoning
we can have been masoning
you can have been masoning
they can have been masoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't mason
you can't mason
he can't mason
we can't mason
you can't mason
they can't mason 	I can't be masoning
you can't be masoning
he can't be masoning
we can't be masoning
you can't be masoning
they can't be masoning	I can't have masoned
you can't have masoned
he can't have masoned
we can't have masoned
you can't have masoned
they can't have masoned	I can't have been masoning
you can't have been masoning
he can't have been masoning
we can't have been masoning
you can't have been masoning
they can't have been masoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I mason?
can you mason?
can he mason?
can we mason?
can you mason?
can they mason? 	can I be masoning?
can you be masoning?
can he be masoning?
can we be masoning?
can you be masoning?
can they be masoning? 	can I have masoned?
can you have masoned?
can he have masoned?
can we have masoned?
can you have masoned?
can they have masoned? 	can I have been masoning?
can you have been masoning?
can he have been masoning?
can we have been masoning?
can you have been masoning?
can they have been masoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I mason?
can't you mason?
can't he mason?
can't we mason?
can't you mason?
can't they mason? 	can't I be masoning?
can't you be masoning?
can't he be masoning?
can't we be masoning?
can't you be masoning?
can't they be masoning? 	can't I have masoned?
can't you have masoned?
can't he have masoned?
can't we have masoned?
can't you have masoned?
can't they have masoned? 	can't I have been masoning?
can't you have been masoning?
can't he have been masoning?
can't we have been masoning?
can't you have been masoning?
can't they have been masoning?