English verb conjugation
CAN INTERFOLD

Regular verb: interfold - interfolded - interfolded

Affirmation

Simple form	V-ing form
I can interfold you can interfold he can interfold we can interfold you can interfold they can interfold	I can be interfolding you can be interfolding he can be interfolding we can be interfolding you can be interfolding they can be interfolding
Perfect	V-ing perfect
I can have interfolded you can have interfolded he can have interfolded we can have interfolded you can have interfolded they can have interfolded	I can have been interfolding you can have been interfolding he can have been interfolding we can have been interfolding you can have been interfolding they can have been interfolding

Negation

Simple form	V-ing form
I cannot interfold you cannot interfold he cannot interfold we cannot interfold you cannot interfold they cannot interfold	I cannot be interfolding you cannot be interfolding he cannot be interfolding we cannot be interfolding you cannot be interfolding they cannot be interfolding
Perfect	V-ing perfect
I cannot have interfolded you cannot have interfolded he cannot have interfolded we cannot have interfolded you cannot have interfolded they cannot have interfolded	I cannot have been interfolding you cannot have been interfolding he cannot have been interfolding we cannot have been interfolding you cannot have been interfolding they cannot have been interfolding

Interrogative form

Simple form	V-ing form
can I interfold? can you interfold? can he interfold? can we interfold? can you interfold? can they interfold?	can I be interfolding? can you be interfolding? can he be interfolding? can we be interfolding? can you be interfolding? can they be interfolding?
Perfect	V-ing perfect
can I have interfolded? can you have interfolded? can he have interfolded? can we have interfolded? can you have interfolded? can they have interfolded?	can I have been interfolding? can you have been interfolding? can he have been interfolding? can we have been interfolding? can you have been interfolding? can they have been interfolding?

Interro-negative form

Simple form	V-ing form
can I not interfold? can you not interfold? can he not interfold? can we not interfold? can you not interfold? can they not interfold?	can I not be interfolding? can you not be interfolding? can he not be interfolding? can we not be interfolding? can you not be interfolding? can they not be interfolding?
Perfect	V-ing perfect
can I not have interfolded? can you not have interfolded? can he not have interfolded? can we not have interfolded? can you not have interfolded? can they not have interfolded?	can I not have been interfolding? can you not have been interfolding? can he not have been interfolding? can we not have been interfolding? can you not have been interfolding? can they not have been interfolding?