English verb conjugation
CAN CAMP

Regular verb: camp - camped - camped

Affirmation

Simple form	V-ing form
I can camp you can camp he can camp we can camp you can camp they can camp	I can be camping you can be camping he can be camping we can be camping you can be camping they can be camping
Perfect	V-ing perfect
I can have camped you can have camped he can have camped we can have camped you can have camped they can have camped	I can have been camping you can have been camping he can have been camping we can have been camping you can have been camping they can have been camping

Negation

Simple form	V-ing form
I can't camp you can't camp he can't camp we can't camp you can't camp they can't camp	I can't be camping you can't be camping he can't be camping we can't be camping you can't be camping they can't be camping
Perfect	V-ing perfect
I can't have camped you can't have camped he can't have camped we can't have camped you can't have camped they can't have camped	I can't have been camping you can't have been camping he can't have been camping we can't have been camping you can't have been camping they can't have been camping

Interrogative form

Simple form	V-ing form
can I camp? can you camp? can he camp? can we camp? can you camp? can they camp?	can I be camping? can you be camping? can he be camping? can we be camping? can you be camping? can they be camping?
Perfect	V-ing perfect
can I have camped? can you have camped? can he have camped? can we have camped? can you have camped? can they have camped?	can I have been camping? can you have been camping? can he have been camping? can we have been camping? can you have been camping? can they have been camping?

Interro-negative form

Simple form	V-ing form
can't I camp? can't you camp? can't he camp? can't we camp? can't you camp? can't they camp?	can't I be camping? can't you be camping? can't he be camping? can't we be camping? can't you be camping? can't they be camping?
Perfect	V-ing perfect
can't I have camped? can't you have camped? can't he have camped? can't we have camped? can't you have camped? can't they have camped?	can't I have been camping? can't you have been camping? can't he have been camping? can't we have been camping? can't you have been camping? can't they have been camping?