English verb conjugation
CAN VIEW

Regular verb: view - viewed - viewed

Affirmation

Simple form	V-ing form
I can view you can view he can view we can view you can view they can view	I can be viewing you can be viewing he can be viewing we can be viewing you can be viewing they can be viewing
Perfect	V-ing perfect
I can have viewed you can have viewed he can have viewed we can have viewed you can have viewed they can have viewed	I can have been viewing you can have been viewing he can have been viewing we can have been viewing you can have been viewing they can have been viewing

Negation

Simple form	V-ing form
I can't view you can't view he can't view we can't view you can't view they can't view	I can't be viewing you can't be viewing he can't be viewing we can't be viewing you can't be viewing they can't be viewing
Perfect	V-ing perfect
I can't have viewed you can't have viewed he can't have viewed we can't have viewed you can't have viewed they can't have viewed	I can't have been viewing you can't have been viewing he can't have been viewing we can't have been viewing you can't have been viewing they can't have been viewing

Interrogative form

Simple form	V-ing form
can I view? can you view? can he view? can we view? can you view? can they view?	can I be viewing? can you be viewing? can he be viewing? can we be viewing? can you be viewing? can they be viewing?
Perfect	V-ing perfect
can I have viewed? can you have viewed? can he have viewed? can we have viewed? can you have viewed? can they have viewed?	can I have been viewing? can you have been viewing? can he have been viewing? can we have been viewing? can you have been viewing? can they have been viewing?

Interro-negative form

Simple form	V-ing form
can't I view? can't you view? can't he view? can't we view? can't you view? can't they view?	can't I be viewing? can't you be viewing? can't he be viewing? can't we be viewing? can't you be viewing? can't they be viewing?
Perfect	V-ing perfect
can't I have viewed? can't you have viewed? can't he have viewed? can't we have viewed? can't you have viewed? can't they have viewed?	can't I have been viewing? can't you have been viewing? can't he have been viewing? can't we have been viewing? can't you have been viewing? can't they have been viewing?