I could rematerialize you could rematerialize she could rematerialize we could rematerialize you could rematerialize they could rematerialize
V-ing form
I could be rematerializing you could be rematerializing she could be rematerializing we could be rematerializing you could be rematerializing they could be rematerializing
Perfect
I could have rematerialized you could have rematerialized she could have rematerialized we could have rematerialized you could have rematerialized they could have rematerialized
V-ing perfect
I could have been rematerializing you could have been rematerializing she could have been rematerializing we could have been rematerializing you could have been rematerializing they could have been rematerializing
Negation
Simple form
I couldn't rematerialize you couldn't rematerialize she couldn't rematerialize we couldn't rematerialize you couldn't rematerialize they couldn't rematerialize
V-ing form
I couldn't be rematerializing you couldn't be rematerializing she couldn't be rematerializing we couldn't be rematerializing you couldn't be rematerializing they couldn't be rematerializing
Perfect
I couldn't have rematerialized you couldn't have rematerialized she couldn't have rematerialized we couldn't have rematerialized you couldn't have rematerialized they couldn't have rematerialized
V-ing perfect
I couldn't have been rematerializing you couldn't have been rematerializing she couldn't have been rematerializing we couldn't have been rematerializing you couldn't have been rematerializing they couldn't have been rematerializing
Interrogative form
Simple form
could I rematerialize? could you rematerialize? could she rematerialize? could we rematerialize? could you rematerialize? could they rematerialize?
V-ing form
could I be rematerializing? could you be rematerializing? could she be rematerializing? could we be rematerializing? could you be rematerializing? could they be rematerializing?
Perfect
could I have rematerialized? could you have rematerialized? could she have rematerialized? could we have rematerialized? could you have rematerialized? could they have rematerialized?
V-ing perfect
could I have been rematerializing? could you have been rematerializing? could she have been rematerializing? could we have been rematerializing? could you have been rematerializing? could they have been rematerializing?
Interro-negative form
Simple form
couldn't I rematerialize? couldn't you rematerialize? couldn't she rematerialize? couldn't we rematerialize? couldn't you rematerialize? couldn't they rematerialize?
V-ing form
couldn't I be rematerializing? couldn't you be rematerializing? couldn't she be rematerializing? couldn't we be rematerializing? couldn't you be rematerializing? couldn't they be rematerializing?
Perfect
couldn't I have rematerialized? couldn't you have rematerialized? couldn't she have rematerialized? couldn't we have rematerialized? couldn't you have rematerialized? couldn't they have rematerialized?
V-ing perfect
couldn't I have been rematerializing? couldn't you have been rematerializing? couldn't she have been rematerializing? couldn't we have been rematerializing? couldn't you have been rematerializing? couldn't they have been rematerializing?