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