I can fit you can fit she can fit we can fit you can fit they can fit
V-ing form
I can be fitting you can be fitting she can be fitting we can be fitting you can be fitting they can be fitting
Perfect
I can have fit, fitted you can have fit, fitted she can have fit, fitted we can have fit, fitted you can have fit, fitted they can have fit, fitted
V-ing perfect
I can have been fitting you can have been fitting she can have been fitting we can have been fitting you can have been fitting they can have been fitting
Negation
Simple form
I can't fit you can't fit she can't fit we can't fit you can't fit they can't fit
V-ing form
I can't be fitting you can't be fitting she can't be fitting we can't be fitting you can't be fitting they can't be fitting
Perfect
I can't have fit, fitted you can't have fit, fitted she can't have fit, fitted we can't have fit, fitted you can't have fit, fitted they can't have fit, fitted
V-ing perfect
I can't have been fitting you can't have been fitting she can't have been fitting we can't have been fitting you can't have been fitting they can't have been fitting
Interrogative form
Simple form
can I fit? can you fit? can she fit? can we fit? can you fit? can they fit?
V-ing form
can I be fitting? can you be fitting? can she be fitting? can we be fitting? can you be fitting? can they be fitting?
Perfect
can I have fit, fitted? can you have fit, fitted? can she have fit, fitted? can we have fit, fitted? can you have fit, fitted? can they have fit, fitted?
V-ing perfect
can I have been fitting? can you have been fitting? can she have been fitting? can we have been fitting? can you have been fitting? can they have been fitting?
Interro-negative form
Simple form
can't I fit? can't you fit? can't she fit? can't we fit? can't you fit? can't they fit?
V-ing form
can't I be fitting? can't you be fitting? can't she be fitting? can't we be fitting? can't you be fitting? can't they be fitting?
Perfect
can't I have fit, fitted? can't you have fit, fitted? can't she have fit, fitted? can't we have fit, fitted? can't you have fit, fitted? can't they have fit, fitted?
V-ing perfect
can't I have been fitting? can't you have been fitting? can't she have been fitting? can't we have been fitting? can't you have been fitting? can't they have been fitting?