English verb conjugation
COULD DEICE

Regular verb: deice - deiced - deiced

Affirmation

Simple form	V-ing form
I could deice you could deice he could deice we could deice you could deice they could deice	I could be deicing you could be deicing he could be deicing we could be deicing you could be deicing they could be deicing
Perfect	V-ing perfect
I could have deiced you could have deiced he could have deiced we could have deiced you could have deiced they could have deiced	I could have been deicing you could have been deicing he could have been deicing we could have been deicing you could have been deicing they could have been deicing

Negation

Simple form	V-ing form
I could not deice you could not deice he could not deice we could not deice you could not deice they could not deice	I could not be deicing you could not be deicing he could not be deicing we could not be deicing you could not be deicing they could not be deicing
Perfect	V-ing perfect
I could not have deiced you could not have deiced he could not have deiced we could not have deiced you could not have deiced they could not have deiced	I could not have been deicing you could not have been deicing he could not have been deicing we could not have been deicing you could not have been deicing they could not have been deicing

Interrogative form

Simple form	V-ing form
could I deice? could you deice? could he deice? could we deice? could you deice? could they deice?	could I be deicing? could you be deicing? could he be deicing? could we be deicing? could you be deicing? could they be deicing?
Perfect	V-ing perfect
could I have deiced? could you have deiced? could he have deiced? could we have deiced? could you have deiced? could they have deiced?	could I have been deicing? could you have been deicing? could he have been deicing? could we have been deicing? could you have been deicing? could they have been deicing?

Interro-negative form

Simple form	V-ing form
could I not deice? could you not deice? could he not deice? could we not deice? could you not deice? could they not deice?	could I not be deicing? could you not be deicing? could he not be deicing? could we not be deicing? could you not be deicing? could they not be deicing?
Perfect	V-ing perfect
could I not have deiced? could you not have deiced? could he not have deiced? could we not have deiced? could you not have deiced? could they not have deiced?	could I not have been deicing? could you not have been deicing? could he not have been deicing? could we not have been deicing? could you not have been deicing? could they not have been deicing?