I can examine you can examine she can examine we can examine you can examine they can examine
V-ing form
I can be examining you can be examining she can be examining we can be examining you can be examining they can be examining
Perfect
I can have examined you can have examined she can have examined we can have examined you can have examined they can have examined
V-ing perfect
I can have been examining you can have been examining she can have been examining we can have been examining you can have been examining they can have been examining
Negation
Simple form
I can't examine you can't examine she can't examine we can't examine you can't examine they can't examine
V-ing form
I can't be examining you can't be examining she can't be examining we can't be examining you can't be examining they can't be examining
Perfect
I can't have examined you can't have examined she can't have examined we can't have examined you can't have examined they can't have examined
V-ing perfect
I can't have been examining you can't have been examining she can't have been examining we can't have been examining you can't have been examining they can't have been examining
Interrogative form
Simple form
can I examine? can you examine? can she examine? can we examine? can you examine? can they examine?
V-ing form
can I be examining? can you be examining? can she be examining? can we be examining? can you be examining? can they be examining?
Perfect
can I have examined? can you have examined? can she have examined? can we have examined? can you have examined? can they have examined?
V-ing perfect
can I have been examining? can you have been examining? can she have been examining? can we have been examining? can you have been examining? can they have been examining?
Interro-negative form
Simple form
can't I examine? can't you examine? can't she examine? can't we examine? can't you examine? can't they examine?
V-ing form
can't I be examining? can't you be examining? can't she be examining? can't we be examining? can't you be examining? can't they be examining?
Perfect
can't I have examined? can't you have examined? can't she have examined? can't we have examined? can't you have examined? can't they have examined?
V-ing perfect
can't I have been examining? can't you have been examining? can't she have been examining? can't we have been examining? can't you have been examining? can't they have been examining?