English verb conjugation
COULD TRIFFLE TRIFFLE

Regular verb: triffle triffle - triffle triffled - triffle triffled

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could triffle triffle you could triffle triffle he could triffle triffle we could triffle triffle you could triffle triffle they could triffle triffle	I could be triffle triffling you could be triffle triffling he could be triffle triffling we could be triffle triffling you could be triffle triffling they could be triffle triffling
Perfect	V-ing perfect
I could have triffle triffled you could have triffle triffled he could have triffle triffled we could have triffle triffled you could have triffle triffled they could have triffle triffled	I could have been triffle triffling you could have been triffle triffling he could have been triffle triffling we could have been triffle triffling you could have been triffle triffling they could have been triffle triffling

Negation

Simple form	V-ing form
I couldn't triffle triffle you couldn't triffle triffle he couldn't triffle triffle we couldn't triffle triffle you couldn't triffle triffle they couldn't triffle triffle	I couldn't be triffle triffling you couldn't be triffle triffling he couldn't be triffle triffling we couldn't be triffle triffling you couldn't be triffle triffling they couldn't be triffle triffling
Perfect	V-ing perfect
I couldn't have triffle triffled you couldn't have triffle triffled he couldn't have triffle triffled we couldn't have triffle triffled you couldn't have triffle triffled they couldn't have triffle triffled	I couldn't have been triffle triffling you couldn't have been triffle triffling he couldn't have been triffle triffling we couldn't have been triffle triffling you couldn't have been triffle triffling they couldn't have been triffle triffling

Interrogative form

Simple form	V-ing form
could I triffle triffle? could you triffle triffle? could he triffle triffle? could we triffle triffle? could you triffle triffle? could they triffle triffle?	could I be triffle triffling? could you be triffle triffling? could he be triffle triffling? could we be triffle triffling? could you be triffle triffling? could they be triffle triffling?
Perfect	V-ing perfect
could I have triffle triffled? could you have triffle triffled? could he have triffle triffled? could we have triffle triffled? could you have triffle triffled? could they have triffle triffled?	could I have been triffle triffling? could you have been triffle triffling? could he have been triffle triffling? could we have been triffle triffling? could you have been triffle triffling? could they have been triffle triffling?

Interro-negative form

Simple form	V-ing form
couldn't I triffle triffle? couldn't you triffle triffle? couldn't he triffle triffle? couldn't we triffle triffle? couldn't you triffle triffle? couldn't they triffle triffle?	couldn't I be triffle triffling? couldn't you be triffle triffling? couldn't he be triffle triffling? couldn't we be triffle triffling? couldn't you be triffle triffling? couldn't they be triffle triffling?
Perfect	V-ing perfect
couldn't I have triffle triffled? couldn't you have triffle triffled? couldn't he have triffle triffled? couldn't we have triffle triffled? couldn't you have triffle triffled? couldn't they have triffle triffled?	couldn't I have been triffle triffling? couldn't you have been triffle triffling? couldn't he have been triffle triffling? couldn't we have been triffle triffling? couldn't you have been triffle triffling? couldn't they have been triffle triffling?