I can pant you can pant he can pant we can pant you can pant they can pant
V-ing form
I can be panting you can be panting he can be panting we can be panting you can be panting they can be panting
Perfect
I can have panted you can have panted he can have panted we can have panted you can have panted they can have panted
V-ing perfect
I can have been panting you can have been panting he can have been panting we can have been panting you can have been panting they can have been panting
Negation
Simple form
I cannot pant you cannot pant he cannot pant we cannot pant you cannot pant they cannot pant
V-ing form
I cannot be panting you cannot be panting he cannot be panting we cannot be panting you cannot be panting they cannot be panting
Perfect
I cannot have panted you cannot have panted he cannot have panted we cannot have panted you cannot have panted they cannot have panted
V-ing perfect
I cannot have been panting you cannot have been panting he cannot have been panting we cannot have been panting you cannot have been panting they cannot have been panting
Interrogative form
Simple form
can I pant? can you pant? can he pant? can we pant? can you pant? can they pant?
V-ing form
can I be panting? can you be panting? can he be panting? can we be panting? can you be panting? can they be panting?
Perfect
can I have panted? can you have panted? can he have panted? can we have panted? can you have panted? can they have panted?
V-ing perfect
can I have been panting? can you have been panting? can he have been panting? can we have been panting? can you have been panting? can they have been panting?
Interro-negative form
Simple form
can I not pant? can you not pant? can he not pant? can we not pant? can you not pant? can they not pant?
V-ing form
can I not be panting? can you not be panting? can he not be panting? can we not be panting? can you not be panting? can they not be panting?
Perfect
can I not have panted? can you not have panted? can he not have panted? can we not have panted? can you not have panted? can they not have panted?
V-ing perfect
can I not have been panting? can you not have been panting? can he not have been panting? can we not have been panting? can you not have been panting? can they not have been panting?