I can perjure you can perjure she can perjure we can perjure you can perjure they can perjure
V-ing form
I can be perjuring you can be perjuring she can be perjuring we can be perjuring you can be perjuring they can be perjuring
Perfect
I can have perjured you can have perjured she 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 she 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 she 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 she 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 she 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 she 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 she perjure? can we perjure? can you perjure? can they perjure?
V-ing form
can I be perjuring? can you be perjuring? can she be perjuring? can we be perjuring? can you be perjuring? can they be perjuring?
Perfect
can I have perjured? can you have perjured? can she 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 she 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 she 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 she 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 she 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 she have been perjuring? can't we have been perjuring? can't you have been perjuring? can't they have been perjuring?