can mad
Regular verb: mad - maded- maded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can mad
you can mad
he can mad
we can mad
you can mad
they can mad 	I can be mading
you can be mading
he can be mading
we can be mading
you can be mading
they can be mading	I can have maded
you can have maded
he can have maded
we can have maded
you can have maded
they can have maded	I can have been mading
you can have been mading
he can have been mading
we can have been mading
you can have been mading
they can have been mading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't mad
you can't mad
he can't mad
we can't mad
you can't mad
they can't mad 	I can't be mading
you can't be mading
he can't be mading
we can't be mading
you can't be mading
they can't be mading	I can't have maded
you can't have maded
he can't have maded
we can't have maded
you can't have maded
they can't have maded	I can't have been mading
you can't have been mading
he can't have been mading
we can't have been mading
you can't have been mading
they can't have been mading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I mad?
can you mad?
can he mad?
can we mad?
can you mad?
can they mad? 	can I be mading?
can you be mading?
can he be mading?
can we be mading?
can you be mading?
can they be mading? 	can I have maded?
can you have maded?
can he have maded?
can we have maded?
can you have maded?
can they have maded? 	can I have been mading?
can you have been mading?
can he have been mading?
can we have been mading?
can you have been mading?
can they have been mading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I mad?
can't you mad?
can't he mad?
can't we mad?
can't you mad?
can't they mad? 	can't I be mading?
can't you be mading?
can't he be mading?
can't we be mading?
can't you be mading?
can't they be mading? 	can't I have maded?
can't you have maded?
can't he have maded?
can't we have maded?
can't you have maded?
can't they have maded? 	can't I have been mading?
can't you have been mading?
can't he have been mading?
can't we have been mading?
can't you have been mading?
can't they have been mading?