I can examine you can examine he can examine we can examine you can examine they can examine
Forma con V-ing
I can be examining you can be examining he can be examining we can be examining you can be examining they can be examining
Perfecto
I can have examined you can have examined he can have examined we can have examined you can have examined they can have examined
Perfecto con V-ing
I can have been examining you can have been examining he can have been examining we can have been examining you can have been examining they can have been examining
Negación
Forma simple
I can't examine you can't examine he can't examine we can't examine you can't examine they can't examine
Forma con V-ing
I can't be examining you can't be examining he can't be examining we can't be examining you can't be examining they can't be examining
Perfecto
I can't have examined you can't have examined he can't have examined we can't have examined you can't have examined they can't have examined
Perfecto con V-ing
I can't have been examining you can't have been examining he can't have been examining we can't have been examining you can't have been examining they can't have been examining
Forma interrogativa
Forma simple
can I examine? can you examine? can he examine? can we examine? can you examine? can they examine?
Forma con V-ing
can I be examining? can you be examining? can he be examining? can we be examining? can you be examining? can they be examining?
Perfecto
can I have examined? can you have examined? can he have examined? can we have examined? can you have examined? can they have examined?
Perfecto con V-ing
can I have been examining? can you have been examining? can he have been examining? can we have been examining? can you have been examining? can they have been examining?
Forma interro-negativa
Forma simple
can't I examine? can't you examine? can't he examine? can't we examine? can't you examine? can't they examine?
Forma con V-ing
can't I be examining? can't you be examining? can't he be examining? can't we be examining? can't you be examining? can't they be examining?
Perfecto
can't I have examined? can't you have examined? can't he have examined? can't we have examined? can't you have examined? can't they have examined?
Perfecto con V-ing
can't I have been examining? can't you have been examining? can't he have been examining? can't we have been examining? can't you have been examining? can't they have been examining?