I can caliper you can caliper she can caliper we can caliper you can caliper they can caliper
V-ing form
I can be calipering you can be calipering she can be calipering we can be calipering you can be calipering they can be calipering
Perfect
I can have calipered you can have calipered she can have calipered we can have calipered you can have calipered they can have calipered
V-ing perfect
I can have been calipering you can have been calipering she can have been calipering we can have been calipering you can have been calipering they can have been calipering
Negation
Simple form
I can't caliper you can't caliper she can't caliper we can't caliper you can't caliper they can't caliper
V-ing form
I can't be calipering you can't be calipering she can't be calipering we can't be calipering you can't be calipering they can't be calipering
Perfect
I can't have calipered you can't have calipered she can't have calipered we can't have calipered you can't have calipered they can't have calipered
V-ing perfect
I can't have been calipering you can't have been calipering she can't have been calipering we can't have been calipering you can't have been calipering they can't have been calipering
Interrogative form
Simple form
can I caliper? can you caliper? can she caliper? can we caliper? can you caliper? can they caliper?
V-ing form
can I be calipering? can you be calipering? can she be calipering? can we be calipering? can you be calipering? can they be calipering?
Perfect
can I have calipered? can you have calipered? can she have calipered? can we have calipered? can you have calipered? can they have calipered?
V-ing perfect
can I have been calipering? can you have been calipering? can she have been calipering? can we have been calipering? can you have been calipering? can they have been calipering?
Interro-negative form
Simple form
can't I caliper? can't you caliper? can't she caliper? can't we caliper? can't you caliper? can't they caliper?
V-ing form
can't I be calipering? can't you be calipering? can't she be calipering? can't we be calipering? can't you be calipering? can't they be calipering?
Perfect
can't I have calipered? can't you have calipered? can't she have calipered? can't we have calipered? can't you have calipered? can't they have calipered?
V-ing perfect
can't I have been calipering? can't you have been calipering? can't she have been calipering? can't we have been calipering? can't you have been calipering? can't they have been calipering?