English verb conjugation
CAN SCRIBBLE

Regular verb: scribble - scribbled - scribbled

Affirmation

Simple form	V-ing form
I can scribble you can scribble he can scribble we can scribble you can scribble they can scribble	I can be scribbling you can be scribbling he can be scribbling we can be scribbling you can be scribbling they can be scribbling
Perfect	V-ing perfect
I can have scribbled you can have scribbled he can have scribbled we can have scribbled you can have scribbled they can have scribbled	I can have been scribbling you can have been scribbling he can have been scribbling we can have been scribbling you can have been scribbling they can have been scribbling

Negation

Simple form	V-ing form
I cannot scribble you cannot scribble he cannot scribble we cannot scribble you cannot scribble they cannot scribble	I cannot be scribbling you cannot be scribbling he cannot be scribbling we cannot be scribbling you cannot be scribbling they cannot be scribbling
Perfect	V-ing perfect
I cannot have scribbled you cannot have scribbled he cannot have scribbled we cannot have scribbled you cannot have scribbled they cannot have scribbled	I cannot have been scribbling you cannot have been scribbling he cannot have been scribbling we cannot have been scribbling you cannot have been scribbling they cannot have been scribbling

Interrogative form

Simple form	V-ing form
can I scribble? can you scribble? can he scribble? can we scribble? can you scribble? can they scribble?	can I be scribbling? can you be scribbling? can he be scribbling? can we be scribbling? can you be scribbling? can they be scribbling?
Perfect	V-ing perfect
can I have scribbled? can you have scribbled? can he have scribbled? can we have scribbled? can you have scribbled? can they have scribbled?	can I have been scribbling? can you have been scribbling? can he have been scribbling? can we have been scribbling? can you have been scribbling? can they have been scribbling?

Interro-negative form

Simple form	V-ing form
can I not scribble? can you not scribble? can he not scribble? can we not scribble? can you not scribble? can they not scribble?	can I not be scribbling? can you not be scribbling? can he not be scribbling? can we not be scribbling? can you not be scribbling? can they not be scribbling?
Perfect	V-ing perfect
can I not have scribbled? can you not have scribbled? can he not have scribbled? can we not have scribbled? can you not have scribbled? can they not have scribbled?	can I not have been scribbling? can you not have been scribbling? can he not have been scribbling? can we not have been scribbling? can you not have been scribbling? can they not have been scribbling?