English verb conjugation
CAN SUMMARIZE

Regular verb: summarize - summarized - summarized

Affirmation

Simple form	V-ing form
I can summarize you can summarize he can summarize we can summarize you can summarize they can summarize	I can be summarizing you can be summarizing he can be summarizing we can be summarizing you can be summarizing they can be summarizing
Perfect	V-ing perfect
I can have summarized you can have summarized he can have summarized we can have summarized you can have summarized they can have summarized	I can have been summarizing you can have been summarizing he can have been summarizing we can have been summarizing you can have been summarizing they can have been summarizing

Negation

Simple form	V-ing form
I can't summarize you can't summarize he can't summarize we can't summarize you can't summarize they can't summarize	I can't be summarizing you can't be summarizing he can't be summarizing we can't be summarizing you can't be summarizing they can't be summarizing
Perfect	V-ing perfect
I can't have summarized you can't have summarized he can't have summarized we can't have summarized you can't have summarized they can't have summarized	I can't have been summarizing you can't have been summarizing he can't have been summarizing we can't have been summarizing you can't have been summarizing they can't have been summarizing

Interrogative form

Simple form	V-ing form
can I summarize? can you summarize? can he summarize? can we summarize? can you summarize? can they summarize?	can I be summarizing? can you be summarizing? can he be summarizing? can we be summarizing? can you be summarizing? can they be summarizing?
Perfect	V-ing perfect
can I have summarized? can you have summarized? can he have summarized? can we have summarized? can you have summarized? can they have summarized?	can I have been summarizing? can you have been summarizing? can he have been summarizing? can we have been summarizing? can you have been summarizing? can they have been summarizing?

Interro-negative form

Simple form	V-ing form
can't I summarize? can't you summarize? can't he summarize? can't we summarize? can't you summarize? can't they summarize?	can't I be summarizing? can't you be summarizing? can't he be summarizing? can't we be summarizing? can't you be summarizing? can't they be summarizing?
Perfect	V-ing perfect
can't I have summarized? can't you have summarized? can't he have summarized? can't we have summarized? can't you have summarized? can't they have summarized?	can't I have been summarizing? can't you have been summarizing? can't he have been summarizing? can't we have been summarizing? can't you have been summarizing? can't they have been summarizing?