English verb conjugation
COULD ENCASE

Regular verb: encase - encased - encased

Affirmation

Simple form	V-ing form
I could encase you could encase he could encase we could encase you could encase they could encase	I could be encasing you could be encasing he could be encasing we could be encasing you could be encasing they could be encasing
Perfect	V-ing perfect
I could have encased you could have encased he could have encased we could have encased you could have encased they could have encased	I could have been encasing you could have been encasing he could have been encasing we could have been encasing you could have been encasing they could have been encasing

Negation

Simple form	V-ing form
I could not encase you could not encase he could not encase we could not encase you could not encase they could not encase	I could not be encasing you could not be encasing he could not be encasing we could not be encasing you could not be encasing they could not be encasing
Perfect	V-ing perfect
I could not have encased you could not have encased he could not have encased we could not have encased you could not have encased they could not have encased	I could not have been encasing you could not have been encasing he could not have been encasing we could not have been encasing you could not have been encasing they could not have been encasing

Interrogative form

Simple form	V-ing form
could I encase? could you encase? could he encase? could we encase? could you encase? could they encase?	could I be encasing? could you be encasing? could he be encasing? could we be encasing? could you be encasing? could they be encasing?
Perfect	V-ing perfect
could I have encased? could you have encased? could he have encased? could we have encased? could you have encased? could they have encased?	could I have been encasing? could you have been encasing? could he have been encasing? could we have been encasing? could you have been encasing? could they have been encasing?

Interro-negative form

Simple form	V-ing form
could I not encase? could you not encase? could he not encase? could we not encase? could you not encase? could they not encase?	could I not be encasing? could you not be encasing? could he not be encasing? could we not be encasing? could you not be encasing? could they not be encasing?
Perfect	V-ing perfect
could I not have encased? could you not have encased? could he not have encased? could we not have encased? could you not have encased? could they not have encased?	could I not have been encasing? could you not have been encasing? could he not have been encasing? could we not have been encasing? could you not have been encasing? could they not have been encasing?