can guggle
Regular verb: guggle - guggled- guggled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can guggle
you can guggle
he can guggle
we can guggle
you can guggle
they can guggle 	I can be guggling
you can be guggling
he can be guggling
we can be guggling
you can be guggling
they can be guggling	I can have guggled
you can have guggled
he can have guggled
we can have guggled
you can have guggled
they can have guggled	I can have been guggling
you can have been guggling
he can have been guggling
we can have been guggling
you can have been guggling
they can have been guggling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't guggle
you can't guggle
he can't guggle
we can't guggle
you can't guggle
they can't guggle 	I can't be guggling
you can't be guggling
he can't be guggling
we can't be guggling
you can't be guggling
they can't be guggling	I can't have guggled
you can't have guggled
he can't have guggled
we can't have guggled
you can't have guggled
they can't have guggled	I can't have been guggling
you can't have been guggling
he can't have been guggling
we can't have been guggling
you can't have been guggling
they can't have been guggling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I guggle?
can you guggle?
can he guggle?
can we guggle?
can you guggle?
can they guggle? 	can I be guggling?
can you be guggling?
can he be guggling?
can we be guggling?
can you be guggling?
can they be guggling? 	can I have guggled?
can you have guggled?
can he have guggled?
can we have guggled?
can you have guggled?
can they have guggled? 	can I have been guggling?
can you have been guggling?
can he have been guggling?
can we have been guggling?
can you have been guggling?
can they have been guggling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I guggle?
can't you guggle?
can't he guggle?
can't we guggle?
can't you guggle?
can't they guggle? 	can't I be guggling?
can't you be guggling?
can't he be guggling?
can't we be guggling?
can't you be guggling?
can't they be guggling? 	can't I have guggled?
can't you have guggled?
can't he have guggled?
can't we have guggled?
can't you have guggled?
can't they have guggled? 	can't I have been guggling?
can't you have been guggling?
can't he have been guggling?
can't we have been guggling?
can't you have been guggling?
can't they have been guggling?