can mud
Regular verb: mud - mudded- mudded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can mud
you can mud
he can mud
we can mud
you can mud
they can mud 	I can be mudding
you can be mudding
he can be mudding
we can be mudding
you can be mudding
they can be mudding	I can have mudded
you can have mudded
he can have mudded
we can have mudded
you can have mudded
they can have mudded	I can have been mudding
you can have been mudding
he can have been mudding
we can have been mudding
you can have been mudding
they can have been mudding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't mud
you can't mud
he can't mud
we can't mud
you can't mud
they can't mud 	I can't be mudding
you can't be mudding
he can't be mudding
we can't be mudding
you can't be mudding
they can't be mudding	I can't have mudded
you can't have mudded
he can't have mudded
we can't have mudded
you can't have mudded
they can't have mudded	I can't have been mudding
you can't have been mudding
he can't have been mudding
we can't have been mudding
you can't have been mudding
they can't have been mudding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I mud?
can you mud?
can he mud?
can we mud?
can you mud?
can they mud? 	can I be mudding?
can you be mudding?
can he be mudding?
can we be mudding?
can you be mudding?
can they be mudding? 	can I have mudded?
can you have mudded?
can he have mudded?
can we have mudded?
can you have mudded?
can they have mudded? 	can I have been mudding?
can you have been mudding?
can he have been mudding?
can we have been mudding?
can you have been mudding?
can they have been mudding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I mud?
can't you mud?
can't he mud?
can't we mud?
can't you mud?
can't they mud? 	can't I be mudding?
can't you be mudding?
can't he be mudding?
can't we be mudding?
can't you be mudding?
can't they be mudding? 	can't I have mudded?
can't you have mudded?
can't he have mudded?
can't we have mudded?
can't you have mudded?
can't they have mudded? 	can't I have been mudding?
can't you have been mudding?
can't he have been mudding?
can't we have been mudding?
can't you have been mudding?
can't they have been mudding?