I can pour you can pour he can pour we can pour you can pour they can pour
V-ing form
I can be pouring you can be pouring he can be pouring we can be pouring you can be pouring they can be pouring
Perfect
I can have poured you can have poured he can have poured we can have poured you can have poured they can have poured
V-ing perfect
I can have been pouring you can have been pouring he can have been pouring we can have been pouring you can have been pouring they can have been pouring
Negation
Simple form
I can't pour you can't pour he can't pour we can't pour you can't pour they can't pour
V-ing form
I can't be pouring you can't be pouring he can't be pouring we can't be pouring you can't be pouring they can't be pouring
Perfect
I can't have poured you can't have poured he can't have poured we can't have poured you can't have poured they can't have poured
V-ing perfect
I can't have been pouring you can't have been pouring he can't have been pouring we can't have been pouring you can't have been pouring they can't have been pouring
Interrogative form
Simple form
can I pour? can you pour? can he pour? can we pour? can you pour? can they pour?
V-ing form
can I be pouring? can you be pouring? can he be pouring? can we be pouring? can you be pouring? can they be pouring?
Perfect
can I have poured? can you have poured? can he have poured? can we have poured? can you have poured? can they have poured?
V-ing perfect
can I have been pouring? can you have been pouring? can he have been pouring? can we have been pouring? can you have been pouring? can they have been pouring?
Interro-negative form
Simple form
can't I pour? can't you pour? can't he pour? can't we pour? can't you pour? can't they pour?
V-ing form
can't I be pouring? can't you be pouring? can't he be pouring? can't we be pouring? can't you be pouring? can't they be pouring?
Perfect
can't I have poured? can't you have poured? can't he have poured? can't we have poured? can't you have poured? can't they have poured?
V-ing perfect
can't I have been pouring? can't you have been pouring? can't he have been pouring? can't we have been pouring? can't you have been pouring? can't they have been pouring?