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 cannot put you cannot put she cannot put we cannot put you cannot put they cannot put
V-ing form
I cannot be putting you cannot be putting she cannot be putting we cannot be putting you cannot be putting they cannot be putting
Perfect
I cannot have put you cannot have put she cannot have put we cannot have put you cannot have put they cannot have put
V-ing perfect
I cannot have been putting you cannot have been putting she cannot have been putting we cannot have been putting you cannot have been putting they cannot 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 I not put? can you not put? can she not put? can we not put? can you not put? can they not put?
V-ing form
can I not be putting? can you not be putting? can she not be putting? can we not be putting? can you not be putting? can they not be putting?
Perfect
can I not have put? can you not have put? can she not have put? can we not have put? can you not have put? can they not have put?
V-ing perfect
can I not have been putting? can you not have been putting? can she not have been putting? can we not have been putting? can you not have been putting? can they not have been putting?