I can calumniate you can calumniate he can calumniate we can calumniate you can calumniate they can calumniate
V-ing form
I can be calumniating you can be calumniating he can be calumniating we can be calumniating you can be calumniating they can be calumniating
Perfect
I can have calumniated you can have calumniated he can have calumniated we can have calumniated you can have calumniated they can have calumniated
V-ing perfect
I can have been calumniating you can have been calumniating he can have been calumniating we can have been calumniating you can have been calumniating they can have been calumniating
Negation
Simple form
I can't calumniate you can't calumniate he can't calumniate we can't calumniate you can't calumniate they can't calumniate
V-ing form
I can't be calumniating you can't be calumniating he can't be calumniating we can't be calumniating you can't be calumniating they can't be calumniating
Perfect
I can't have calumniated you can't have calumniated he can't have calumniated we can't have calumniated you can't have calumniated they can't have calumniated
V-ing perfect
I can't have been calumniating you can't have been calumniating he can't have been calumniating we can't have been calumniating you can't have been calumniating they can't have been calumniating
Interrogative form
Simple form
can I calumniate? can you calumniate? can he calumniate? can we calumniate? can you calumniate? can they calumniate?
V-ing form
can I be calumniating? can you be calumniating? can he be calumniating? can we be calumniating? can you be calumniating? can they be calumniating?
Perfect
can I have calumniated? can you have calumniated? can he have calumniated? can we have calumniated? can you have calumniated? can they have calumniated?
V-ing perfect
can I have been calumniating? can you have been calumniating? can he have been calumniating? can we have been calumniating? can you have been calumniating? can they have been calumniating?
Interro-negative form
Simple form
can't I calumniate? can't you calumniate? can't he calumniate? can't we calumniate? can't you calumniate? can't they calumniate?
V-ing form
can't I be calumniating? can't you be calumniating? can't he be calumniating? can't we be calumniating? can't you be calumniating? can't they be calumniating?
Perfect
can't I have calumniated? can't you have calumniated? can't he have calumniated? can't we have calumniated? can't you have calumniated? can't they have calumniated?
V-ing perfect
can't I have been calumniating? can't you have been calumniating? can't he have been calumniating? can't we have been calumniating? can't you have been calumniating? can't they have been calumniating?