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 can't fribble you can't fribble he can't fribble we can't fribble you can't fribble they can't fribble	I can't be fribbling you can't be fribbling he can't be fribbling we can't be fribbling you can't be fribbling they can't be fribbling
Perfect	V-ing perfect
I can't have fribbled you can't have fribbled he can't have fribbled we can't have fribbled you can't have fribbled they can't have fribbled	I can't have been fribbling you can't have been fribbling he can't have been fribbling we can't have been fribbling you can't have been fribbling they can't 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't I fribble? can't you fribble? can't he fribble? can't we fribble? can't you fribble? can't they fribble?	can't I be fribbling? can't you be fribbling? can't he be fribbling? can't we be fribbling? can't you be fribbling? can't they be fribbling?
Perfect	V-ing perfect
can't I have fribbled? can't you have fribbled? can't he have fribbled? can't we have fribbled? can't you have fribbled? can't they have fribbled?	can't I have been fribbling? can't you have been fribbling? can't he have been fribbling? can't we have been fribbling? can't you have been fribbling? can't they have been fribbling?