I can dematerialize you can dematerialize she can dematerialize we can dematerialize you can dematerialize they can dematerialize
V-ing form
I can be dematerializing you can be dematerializing she can be dematerializing we can be dematerializing you can be dematerializing they can be dematerializing
Perfect
I can have dematerialized you can have dematerialized she can have dematerialized we can have dematerialized you can have dematerialized they can have dematerialized
V-ing perfect
I can have been dematerializing you can have been dematerializing she can have been dematerializing we can have been dematerializing you can have been dematerializing they can have been dematerializing
Negation
Simple form
I can't dematerialize you can't dematerialize she can't dematerialize we can't dematerialize you can't dematerialize they can't dematerialize
V-ing form
I can't be dematerializing you can't be dematerializing she can't be dematerializing we can't be dematerializing you can't be dematerializing they can't be dematerializing
Perfect
I can't have dematerialized you can't have dematerialized she can't have dematerialized we can't have dematerialized you can't have dematerialized they can't have dematerialized
V-ing perfect
I can't have been dematerializing you can't have been dematerializing she can't have been dematerializing we can't have been dematerializing you can't have been dematerializing they can't have been dematerializing
Interrogative form
Simple form
can I dematerialize? can you dematerialize? can she dematerialize? can we dematerialize? can you dematerialize? can they dematerialize?
V-ing form
can I be dematerializing? can you be dematerializing? can she be dematerializing? can we be dematerializing? can you be dematerializing? can they be dematerializing?
Perfect
can I have dematerialized? can you have dematerialized? can she have dematerialized? can we have dematerialized? can you have dematerialized? can they have dematerialized?
V-ing perfect
can I have been dematerializing? can you have been dematerializing? can she have been dematerializing? can we have been dematerializing? can you have been dematerializing? can they have been dematerializing?
Interro-negative form
Simple form
can't I dematerialize? can't you dematerialize? can't she dematerialize? can't we dematerialize? can't you dematerialize? can't they dematerialize?
V-ing form
can't I be dematerializing? can't you be dematerializing? can't she be dematerializing? can't we be dematerializing? can't you be dematerializing? can't they be dematerializing?
Perfect
can't I have dematerialized? can't you have dematerialized? can't she have dematerialized? can't we have dematerialized? can't you have dematerialized? can't they have dematerialized?
V-ing perfect
can't I have been dematerializing? can't you have been dematerializing? can't she have been dematerializing? can't we have been dematerializing? can't you have been dematerializing? can't they have been dematerializing?