English verb conjugation
CAN FRIBBLE

Regular verb: fribble - fribbled - fribbled

Affirmation

Simple form	V-ing form
I can fribble you can fribble he can fribble we can fribble you can fribble they can fribble	I can be fribbling you can be fribbling he can be fribbling we can be fribbling you can be fribbling they can be fribbling
Perfect	V-ing perfect
I can have fribbled you can have fribbled he can have fribbled we can have fribbled you can have fribbled they can have fribbled	I can have been fribbling you can have been fribbling he can have been fribbling we can have been fribbling you can have been fribbling they can have been fribbling

Negation

Simple form	V-ing form
I cannot fribble you cannot fribble he cannot fribble we cannot fribble you cannot fribble they cannot fribble	I cannot be fribbling you cannot be fribbling he cannot be fribbling we cannot be fribbling you cannot be fribbling they cannot be fribbling
Perfect	V-ing perfect
I cannot have fribbled you cannot have fribbled he cannot have fribbled we cannot have fribbled you cannot have fribbled they cannot have fribbled	I cannot have been fribbling you cannot have been fribbling he cannot have been fribbling we cannot have been fribbling you cannot have been fribbling they cannot have been fribbling

Interrogative form

Simple form	V-ing form
can I fribble? can you fribble? can he fribble? can we fribble? can you fribble? can they fribble?	can I be fribbling? can you be fribbling? can he be fribbling? can we be fribbling? can you be fribbling? can they be fribbling?
Perfect	V-ing perfect
can I have fribbled? can you have fribbled? can he have fribbled? can we have fribbled? can you have fribbled? can they have fribbled?	can I have been fribbling? can you have been fribbling? can he have been fribbling? can we have been fribbling? can you have been fribbling? can they have been fribbling?

Interro-negative form

Simple form	V-ing form
can I not fribble? can you not fribble? can he not fribble? can we not fribble? can you not fribble? can they not fribble?	can I not be fribbling? can you not be fribbling? can he not be fribbling? can we not be fribbling? can you not be fribbling? can they not be fribbling?
Perfect	V-ing perfect
can I not have fribbled? can you not have fribbled? can he not have fribbled? can we not have fribbled? can you not have fribbled? can they not have fribbled?	can I not have been fribbling? can you not have been fribbling? can he not have been fribbling? can we not have been fribbling? can you not have been fribbling? can they not have been fribbling?