English verb conjugation
CAN CLEAR

Regular verb: clear - cleared - cleared

Affirmation

Simple form	V-ing form
I can clear you can clear he can clear we can clear you can clear they can clear	I can be clearing you can be clearing he can be clearing we can be clearing you can be clearing they can be clearing
Perfect	V-ing perfect
I can have cleared you can have cleared he can have cleared we can have cleared you can have cleared they can have cleared	I can have been clearing you can have been clearing he can have been clearing we can have been clearing you can have been clearing they can have been clearing

Negation

Simple form	V-ing form
I cannot clear you cannot clear he cannot clear we cannot clear you cannot clear they cannot clear	I cannot be clearing you cannot be clearing he cannot be clearing we cannot be clearing you cannot be clearing they cannot be clearing
Perfect	V-ing perfect
I cannot have cleared you cannot have cleared he cannot have cleared we cannot have cleared you cannot have cleared they cannot have cleared	I cannot have been clearing you cannot have been clearing he cannot have been clearing we cannot have been clearing you cannot have been clearing they cannot have been clearing

Interrogative form

Simple form	V-ing form
can I clear? can you clear? can he clear? can we clear? can you clear? can they clear?	can I be clearing? can you be clearing? can he be clearing? can we be clearing? can you be clearing? can they be clearing?
Perfect	V-ing perfect
can I have cleared? can you have cleared? can he have cleared? can we have cleared? can you have cleared? can they have cleared?	can I have been clearing? can you have been clearing? can he have been clearing? can we have been clearing? can you have been clearing? can they have been clearing?

Interro-negative form

Simple form	V-ing form
can I not clear? can you not clear? can he not clear? can we not clear? can you not clear? can they not clear?	can I not be clearing? can you not be clearing? can he not be clearing? can we not be clearing? can you not be clearing? can they not be clearing?
Perfect	V-ing perfect
can I not have cleared? can you not have cleared? can he not have cleared? can we not have cleared? can you not have cleared? can they not have cleared?	can I not have been clearing? can you not have been clearing? can he not have been clearing? can we not have been clearing? can you not have been clearing? can they not have been clearing?