I can popularize you can popularize he can popularize we can popularize you can popularize they can popularize
V-ing form
I can be popularizing you can be popularizing he can be popularizing we can be popularizing you can be popularizing they can be popularizing
Perfect
I can have popularized you can have popularized he can have popularized we can have popularized you can have popularized they can have popularized
V-ing perfect
I can have been popularizing you can have been popularizing he can have been popularizing we can have been popularizing you can have been popularizing they can have been popularizing
Negation
Simple form
I cannot popularize you cannot popularize he cannot popularize we cannot popularize you cannot popularize they cannot popularize
V-ing form
I cannot be popularizing you cannot be popularizing he cannot be popularizing we cannot be popularizing you cannot be popularizing they cannot be popularizing
Perfect
I cannot have popularized you cannot have popularized he cannot have popularized we cannot have popularized you cannot have popularized they cannot have popularized
V-ing perfect
I cannot have been popularizing you cannot have been popularizing he cannot have been popularizing we cannot have been popularizing you cannot have been popularizing they cannot have been popularizing
Interrogative form
Simple form
can I popularize? can you popularize? can he popularize? can we popularize? can you popularize? can they popularize?
V-ing form
can I be popularizing? can you be popularizing? can he be popularizing? can we be popularizing? can you be popularizing? can they be popularizing?
Perfect
can I have popularized? can you have popularized? can he have popularized? can we have popularized? can you have popularized? can they have popularized?
V-ing perfect
can I have been popularizing? can you have been popularizing? can he have been popularizing? can we have been popularizing? can you have been popularizing? can they have been popularizing?
Interro-negative form
Simple form
can I not popularize? can you not popularize? can he not popularize? can we not popularize? can you not popularize? can they not popularize?
V-ing form
can I not be popularizing? can you not be popularizing? can he not be popularizing? can we not be popularizing? can you not be popularizing? can they not be popularizing?
Perfect
can I not have popularized? can you not have popularized? can he not have popularized? can we not have popularized? can you not have popularized? can they not have popularized?
V-ing perfect
can I not have been popularizing? can you not have been popularizing? can he not have been popularizing? can we not have been popularizing? can you not have been popularizing? can they not have been popularizing?