English verb conjugation
CAN COMPETE

Regular verb: compete - competed - competed

Affirmation

Simple form	V-ing form
I can compete you can compete he can compete we can compete you can compete they can compete	I can be competing you can be competing he can be competing we can be competing you can be competing they can be competing
Perfect	V-ing perfect
I can have competed you can have competed he can have competed we can have competed you can have competed they can have competed	I can have been competing you can have been competing he can have been competing we can have been competing you can have been competing they can have been competing

Negation

Simple form	V-ing form
I can't compete you can't compete he can't compete we can't compete you can't compete they can't compete	I can't be competing you can't be competing he can't be competing we can't be competing you can't be competing they can't be competing
Perfect	V-ing perfect
I can't have competed you can't have competed he can't have competed we can't have competed you can't have competed they can't have competed	I can't have been competing you can't have been competing he can't have been competing we can't have been competing you can't have been competing they can't have been competing

Interrogative form

Simple form	V-ing form
can I compete? can you compete? can he compete? can we compete? can you compete? can they compete?	can I be competing? can you be competing? can he be competing? can we be competing? can you be competing? can they be competing?
Perfect	V-ing perfect
can I have competed? can you have competed? can he have competed? can we have competed? can you have competed? can they have competed?	can I have been competing? can you have been competing? can he have been competing? can we have been competing? can you have been competing? can they have been competing?

Interro-negative form

Simple form	V-ing form
can't I compete? can't you compete? can't he compete? can't we compete? can't you compete? can't they compete?	can't I be competing? can't you be competing? can't he be competing? can't we be competing? can't you be competing? can't they be competing?
Perfect	V-ing perfect
can't I have competed? can't you have competed? can't he have competed? can't we have competed? can't you have competed? can't they have competed?	can't I have been competing? can't you have been competing? can't he have been competing? can't we have been competing? can't you have been competing? can't they have been competing?