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 can't popularize you can't popularize he can't popularize we can't popularize you can't popularize they can't popularize
V-ing form
I can't be popularizing you can't be popularizing he can't be popularizing we can't be popularizing you can't be popularizing they can't be popularizing
Perfect
I can't have popularized you can't have popularized he can't have popularized we can't have popularized you can't have popularized they can't have popularized
V-ing perfect
I can't have been popularizing you can't have been popularizing he can't have been popularizing we can't have been popularizing you can't have been popularizing they can't 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't I popularize? can't you popularize? can't he popularize? can't we popularize? can't you popularize? can't they popularize?
V-ing form
can't I be popularizing? can't you be popularizing? can't he be popularizing? can't we be popularizing? can't you be popularizing? can't they be popularizing?
Perfect
can't I have popularized? can't you have popularized? can't he have popularized? can't we have popularized? can't you have popularized? can't they have popularized?
V-ing perfect
can't I have been popularizing? can't you have been popularizing? can't he have been popularizing? can't we have been popularizing? can't you have been popularizing? can't they have been popularizing?