can jug
Regular verb: jug - jugged- jugged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can jug
you can jug
he can jug
we can jug
you can jug
they can jug 	I can be jugging
you can be jugging
he can be jugging
we can be jugging
you can be jugging
they can be jugging	I can have jugged
you can have jugged
he can have jugged
we can have jugged
you can have jugged
they can have jugged	I can have been jugging
you can have been jugging
he can have been jugging
we can have been jugging
you can have been jugging
they can have been jugging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot jug
you cannot jug
he cannot jug
we cannot jug
you cannot jug
they cannot jug 	I cannot be jugging
you cannot be jugging
he cannot be jugging
we cannot be jugging
you cannot be jugging
they cannot be jugging	I cannot have jugged
you cannot have jugged
he cannot have jugged
we cannot have jugged
you cannot have jugged
they cannot have jugged	I cannot have been jugging
you cannot have been jugging
he cannot have been jugging
we cannot have been jugging
you cannot have been jugging
they cannot have been jugging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I jug?
can you jug?
can he jug?
can we jug?
can you jug?
can they jug? 	can I be jugging?
can you be jugging?
can he be jugging?
can we be jugging?
can you be jugging?
can they be jugging? 	can I have jugged?
can you have jugged?
can he have jugged?
can we have jugged?
can you have jugged?
can they have jugged? 	can I have been jugging?
can you have been jugging?
can he have been jugging?
can we have been jugging?
can you have been jugging?
can they have been jugging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not jug?
can you not jug?
can he not jug?
can we not jug?
can you not jug?
can they not jug? 	can I not be jugging?
can you not be jugging?
can he not be jugging?
can we not be jugging?
can you not be jugging?
can they not be jugging? 	can I not have jugged?
can you not have jugged?
can he not have jugged?
can we not have jugged?
can you not have jugged?
can they not have jugged? 	can I not have been jugging?
can you not have been jugging?
can he not have been jugging?
can we not have been jugging?
can you not have been jugging?
can they not have been jugging?