English verb conjugation
CAN COVER

Regular verb: cover - covered - covered

Affirmation

Simple form	V-ing form
I can cover you can cover she can cover we can cover you can cover they can cover	I can be covering you can be covering she 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 she 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 she 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 can't cover you can't cover she can't cover we can't cover you can't cover they can't cover	I can't be covering you can't be covering she can't be covering we can't be covering you can't be covering they can't be covering
Perfect	V-ing perfect
I can't have covered you can't have covered she can't have covered we can't have covered you can't have covered they can't have covered	I can't have been covering you can't have been covering she can't have been covering we can't have been covering you can't have been covering they can't have been covering

Interrogative form

Simple form	V-ing form
can I cover? can you cover? can she cover? can we cover? can you cover? can they cover?	can I be covering? can you be covering? can she 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 she 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 she 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't I cover? can't you cover? can't she cover? can't we cover? can't you cover? can't they cover?	can't I be covering? can't you be covering? can't she be covering? can't we be covering? can't you be covering? can't they be covering?
Perfect	V-ing perfect
can't I have covered? can't you have covered? can't she have covered? can't we have covered? can't you have covered? can't they have covered?	can't I have been covering? can't you have been covering? can't she have been covering? can't we have been covering? can't you have been covering? can't they have been covering?