English verb conjugation
COULD WELCH

Regular verb: welch - welched - welched

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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