can judder
Regular verb: judder - juddered- juddered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can judder
you can judder
he can judder
we can judder
you can judder
they can judder 	I can be juddering
you can be juddering
he can be juddering
we can be juddering
you can be juddering
they can be juddering	I can have juddered
you can have juddered
he can have juddered
we can have juddered
you can have juddered
they can have juddered	I can have been juddering
you can have been juddering
he can have been juddering
we can have been juddering
you can have been juddering
they can have been juddering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't judder
you can't judder
he can't judder
we can't judder
you can't judder
they can't judder 	I can't be juddering
you can't be juddering
he can't be juddering
we can't be juddering
you can't be juddering
they can't be juddering	I can't have juddered
you can't have juddered
he can't have juddered
we can't have juddered
you can't have juddered
they can't have juddered	I can't have been juddering
you can't have been juddering
he can't have been juddering
we can't have been juddering
you can't have been juddering
they can't have been juddering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I judder?
can you judder?
can he judder?
can we judder?
can you judder?
can they judder? 	can I be juddering?
can you be juddering?
can he be juddering?
can we be juddering?
can you be juddering?
can they be juddering? 	can I have juddered?
can you have juddered?
can he have juddered?
can we have juddered?
can you have juddered?
can they have juddered? 	can I have been juddering?
can you have been juddering?
can he have been juddering?
can we have been juddering?
can you have been juddering?
can they have been juddering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I judder?
can't you judder?
can't he judder?
can't we judder?
can't you judder?
can't they judder? 	can't I be juddering?
can't you be juddering?
can't he be juddering?
can't we be juddering?
can't you be juddering?
can't they be juddering? 	can't I have juddered?
can't you have juddered?
can't he have juddered?
can't we have juddered?
can't you have juddered?
can't they have juddered? 	can't I have been juddering?
can't you have been juddering?
can't he have been juddering?
can't we have been juddering?
can't you have been juddering?
can't they have been juddering?