English verb conjugation
CAN TRIFFLE

Regular verb: triffle - triffled - triffled

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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