can welch
Regular verb: welch - welched- welched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can welch
you can welch
he can welch
we can welch
you can welch
they can welch 	I can be welching
you can be welching
he can be welching
we can be welching
you can be welching
they can be welching	I can have welched
you can have welched
he can have welched
we can have welched
you can have welched
they can have welched	I can have been welching
you can have been welching
he can have been welching
we can have been welching
you can have been welching
they can have been welching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't welch
you can't welch
he can't welch
we can't welch
you can't welch
they can't welch 	I can't be welching
you can't be welching
he can't be welching
we can't be welching
you can't be welching
they can't be welching	I can't have welched
you can't have welched
he can't have welched
we can't have welched
you can't have welched
they can't have welched	I can't have been welching
you can't have been welching
he can't have been welching
we can't have been welching
you can't have been welching
they can't have been welching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I welch?
can you welch?
can he welch?
can we welch?
can you welch?
can they welch? 	can I be welching?
can you be welching?
can he be welching?
can we be welching?
can you be welching?
can they be welching? 	can I have welched?
can you have welched?
can he have welched?
can we have welched?
can you have welched?
can they have welched? 	can I have been welching?
can you have been welching?
can he have been welching?
can we have been welching?
can you have been welching?
can they have been welching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I welch?
can't you welch?
can't he welch?
can't we welch?
can't you welch?
can't they welch? 	can't I be welching?
can't you be welching?
can't he be welching?
can't we be welching?
can't you be welching?
can't they be welching? 	can't I have welched?
can't you have welched?
can't he have welched?
can't we have welched?
can't you have welched?
can't they have welched? 	can't I have been welching?
can't you have been welching?
can't he have been welching?
can't we have been welching?
can't you have been welching?
can't they have been welching?