English verb conjugation
COULD DEBOUCH

Regular verb: debouch - debouched - debouched

Affirmation

Simple form	V-ing form
I could debouch you could debouch she could debouch we could debouch you could debouch they could debouch	I could be debouching you could be debouching she could be debouching we could be debouching you could be debouching they could be debouching
Perfect	V-ing perfect
I could have debouched you could have debouched she could have debouched we could have debouched you could have debouched they could have debouched	I could have been debouching you could have been debouching she could have been debouching we could have been debouching you could have been debouching they could have been debouching

Negation

Simple form	V-ing form
I couldn't debouch you couldn't debouch she couldn't debouch we couldn't debouch you couldn't debouch they couldn't debouch	I couldn't be debouching you couldn't be debouching she couldn't be debouching we couldn't be debouching you couldn't be debouching they couldn't be debouching
Perfect	V-ing perfect
I couldn't have debouched you couldn't have debouched she couldn't have debouched we couldn't have debouched you couldn't have debouched they couldn't have debouched	I couldn't have been debouching you couldn't have been debouching she couldn't have been debouching we couldn't have been debouching you couldn't have been debouching they couldn't have been debouching

Interrogative form

Simple form	V-ing form
could I debouch? could you debouch? could she debouch? could we debouch? could you debouch? could they debouch?	could I be debouching? could you be debouching? could she be debouching? could we be debouching? could you be debouching? could they be debouching?
Perfect	V-ing perfect
could I have debouched? could you have debouched? could she have debouched? could we have debouched? could you have debouched? could they have debouched?	could I have been debouching? could you have been debouching? could she have been debouching? could we have been debouching? could you have been debouching? could they have been debouching?

Interro-negative form

Simple form	V-ing form
couldn't I debouch? couldn't you debouch? couldn't she debouch? couldn't we debouch? couldn't you debouch? couldn't they debouch?	couldn't I be debouching? couldn't you be debouching? couldn't she be debouching? couldn't we be debouching? couldn't you be debouching? couldn't they be debouching?
Perfect	V-ing perfect
couldn't I have debouched? couldn't you have debouched? couldn't she have debouched? couldn't we have debouched? couldn't you have debouched? couldn't they have debouched?	couldn't I have been debouching? couldn't you have been debouching? couldn't she have been debouching? couldn't we have been debouching? couldn't you have been debouching? couldn't they have been debouching?