English verb conjugation
COULD CLEAR

Regular verb: clear - cleared - cleared

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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