English verb conjugation
CAN COVER

Regular verb: cover - covered - covered

Affirmation

Simple form	V-ing form
I can cover you can cover he can cover we can cover you can cover they can cover	I can be covering you can be covering he can be covering we can be covering you can be covering they can be covering
Perfect	V-ing perfect
I can have covered you can have covered he can have covered we can have covered you can have covered they can have covered	I can have been covering you can have been covering he can have been covering we can have been covering you can have been covering they can have been covering

Negation

Simple form	V-ing form
I cannot cover you cannot cover he cannot cover we cannot cover you cannot cover they cannot cover	I cannot be covering you cannot be covering he cannot be covering we cannot be covering you cannot be covering they cannot be covering
Perfect	V-ing perfect
I cannot have covered you cannot have covered he cannot have covered we cannot have covered you cannot have covered they cannot have covered	I cannot have been covering you cannot have been covering he cannot have been covering we cannot have been covering you cannot have been covering they cannot have been covering

Interrogative form

Simple form	V-ing form
can I cover? can you cover? can he cover? can we cover? can you cover? can they cover?	can I be covering? can you be covering? can he be covering? can we be covering? can you be covering? can they be covering?
Perfect	V-ing perfect
can I have covered? can you have covered? can he have covered? can we have covered? can you have covered? can they have covered?	can I have been covering? can you have been covering? can he have been covering? can we have been covering? can you have been covering? can they have been covering?

Interro-negative form

Simple form	V-ing form
can I not cover? can you not cover? can he not cover? can we not cover? can you not cover? can they not cover?	can I not be covering? can you not be covering? can he not be covering? can we not be covering? can you not be covering? can they not be covering?
Perfect	V-ing perfect
can I not have covered? can you not have covered? can he not have covered? can we not have covered? can you not have covered? can they not have covered?	can I not have been covering? can you not have been covering? can he not have been covering? can we not have been covering? can you not have been covering? can they not have been covering?