I can perjure you can perjure he can perjure we can perjure you can perjure they can perjure
V-ing form
I can be perjuring you can be perjuring he can be perjuring we can be perjuring you can be perjuring they can be perjuring
Perfect
I can have perjured you can have perjured he can have perjured we can have perjured you can have perjured they can have perjured
V-ing perfect
I can have been perjuring you can have been perjuring he can have been perjuring we can have been perjuring you can have been perjuring they can have been perjuring
Negation
Simple form
I can't perjure you can't perjure he can't perjure we can't perjure you can't perjure they can't perjure
V-ing form
I can't be perjuring you can't be perjuring he can't be perjuring we can't be perjuring you can't be perjuring they can't be perjuring
Perfect
I can't have perjured you can't have perjured he can't have perjured we can't have perjured you can't have perjured they can't have perjured
V-ing perfect
I can't have been perjuring you can't have been perjuring he can't have been perjuring we can't have been perjuring you can't have been perjuring they can't have been perjuring
Interrogative form
Simple form
can I perjure? can you perjure? can he perjure? can we perjure? can you perjure? can they perjure?
V-ing form
can I be perjuring? can you be perjuring? can he be perjuring? can we be perjuring? can you be perjuring? can they be perjuring?
Perfect
can I have perjured? can you have perjured? can he have perjured? can we have perjured? can you have perjured? can they have perjured?
V-ing perfect
can I have been perjuring? can you have been perjuring? can he have been perjuring? can we have been perjuring? can you have been perjuring? can they have been perjuring?
Interro-negative form
Simple form
can't I perjure? can't you perjure? can't he perjure? can't we perjure? can't you perjure? can't they perjure?
V-ing form
can't I be perjuring? can't you be perjuring? can't he be perjuring? can't we be perjuring? can't you be perjuring? can't they be perjuring?
Perfect
can't I have perjured? can't you have perjured? can't he have perjured? can't we have perjured? can't you have perjured? can't they have perjured?
V-ing perfect
can't I have been perjuring? can't you have been perjuring? can't he have been perjuring? can't we have been perjuring? can't you have been perjuring? can't they have been perjuring?