I could embed you could embed he could embed we could embed you could embed they could embed
V-ing form
I could be embedding you could be embedding he could be embedding we could be embedding you could be embedding they could be embedding
Perfect
I could have embedded you could have embedded he could have embedded we could have embedded you could have embedded they could have embedded
V-ing perfect
I could have been embedding you could have been embedding he could have been embedding we could have been embedding you could have been embedding they could have been embedding
Negation
Simple form
I could not embed you could not embed he could not embed we could not embed you could not embed they could not embed
V-ing form
I could not be embedding you could not be embedding he could not be embedding we could not be embedding you could not be embedding they could not be embedding
Perfect
I could not have embedded you could not have embedded he could not have embedded we could not have embedded you could not have embedded they could not have embedded
V-ing perfect
I could not have been embedding you could not have been embedding he could not have been embedding we could not have been embedding you could not have been embedding they could not have been embedding
Interrogative form
Simple form
could I embed? could you embed? could he embed? could we embed? could you embed? could they embed?
V-ing form
could I be embedding? could you be embedding? could he be embedding? could we be embedding? could you be embedding? could they be embedding?
Perfect
could I have embedded? could you have embedded? could he have embedded? could we have embedded? could you have embedded? could they have embedded?
V-ing perfect
could I have been embedding? could you have been embedding? could he have been embedding? could we have been embedding? could you have been embedding? could they have been embedding?
Interro-negative form
Simple form
could I not embed? could you not embed? could he not embed? could we not embed? could you not embed? could they not embed?
V-ing form
could I not be embedding? could you not be embedding? could he not be embedding? could we not be embedding? could you not be embedding? could they not be embedding?
Perfect
could I not have embedded? could you not have embedded? could he not have embedded? could we not have embedded? could you not have embedded? could they not have embedded?
V-ing perfect
could I not have been embedding? could you not have been embedding? could he not have been embedding? could we not have been embedding? could you not have been embedding? could they not have been embedding?