I can hint you can hint he can hint we can hint you can hint they can hint
V-ing form
I can be hinting you can be hinting he can be hinting we can be hinting you can be hinting they can be hinting
Perfect
I can have hinted you can have hinted he can have hinted we can have hinted you can have hinted they can have hinted
V-ing perfect
I can have been hinting you can have been hinting he can have been hinting we can have been hinting you can have been hinting they can have been hinting
Negation
Simple form
I cannot hint you cannot hint he cannot hint we cannot hint you cannot hint they cannot hint
V-ing form
I cannot be hinting you cannot be hinting he cannot be hinting we cannot be hinting you cannot be hinting they cannot be hinting
Perfect
I cannot have hinted you cannot have hinted he cannot have hinted we cannot have hinted you cannot have hinted they cannot have hinted
V-ing perfect
I cannot have been hinting you cannot have been hinting he cannot have been hinting we cannot have been hinting you cannot have been hinting they cannot have been hinting
Interrogative form
Simple form
can I hint? can you hint? can he hint? can we hint? can you hint? can they hint?
V-ing form
can I be hinting? can you be hinting? can he be hinting? can we be hinting? can you be hinting? can they be hinting?
Perfect
can I have hinted? can you have hinted? can he have hinted? can we have hinted? can you have hinted? can they have hinted?
V-ing perfect
can I have been hinting? can you have been hinting? can he have been hinting? can we have been hinting? can you have been hinting? can they have been hinting?
Interro-negative form
Simple form
can I not hint? can you not hint? can he not hint? can we not hint? can you not hint? can they not hint?
V-ing form
can I not be hinting? can you not be hinting? can he not be hinting? can we not be hinting? can you not be hinting? can they not be hinting?
Perfect
can I not have hinted? can you not have hinted? can he not have hinted? can we not have hinted? can you not have hinted? can they not have hinted?
V-ing perfect
can I not have been hinting? can you not have been hinting? can he not have been hinting? can we not have been hinting? can you not have been hinting? can they not have been hinting?