I can synchronize you can synchronize she can synchronize we can synchronize you can synchronize they can synchronize
V-ing form
I can be synchronizing you can be synchronizing she can be synchronizing we can be synchronizing you can be synchronizing they can be synchronizing
Perfect
I can have synchronized you can have synchronized she can have synchronized we can have synchronized you can have synchronized they can have synchronized
V-ing perfect
I can have been synchronizing you can have been synchronizing she can have been synchronizing we can have been synchronizing you can have been synchronizing they can have been synchronizing
Negation
Simple form
I can't synchronize you can't synchronize she can't synchronize we can't synchronize you can't synchronize they can't synchronize
V-ing form
I can't be synchronizing you can't be synchronizing she can't be synchronizing we can't be synchronizing you can't be synchronizing they can't be synchronizing
Perfect
I can't have synchronized you can't have synchronized she can't have synchronized we can't have synchronized you can't have synchronized they can't have synchronized
V-ing perfect
I can't have been synchronizing you can't have been synchronizing she can't have been synchronizing we can't have been synchronizing you can't have been synchronizing they can't have been synchronizing
Interrogative form
Simple form
can I synchronize? can you synchronize? can she synchronize? can we synchronize? can you synchronize? can they synchronize?
V-ing form
can I be synchronizing? can you be synchronizing? can she be synchronizing? can we be synchronizing? can you be synchronizing? can they be synchronizing?
Perfect
can I have synchronized? can you have synchronized? can she have synchronized? can we have synchronized? can you have synchronized? can they have synchronized?
V-ing perfect
can I have been synchronizing? can you have been synchronizing? can she have been synchronizing? can we have been synchronizing? can you have been synchronizing? can they have been synchronizing?
Interro-negative form
Simple form
can't I synchronize? can't you synchronize? can't she synchronize? can't we synchronize? can't you synchronize? can't they synchronize?
V-ing form
can't I be synchronizing? can't you be synchronizing? can't she be synchronizing? can't we be synchronizing? can't you be synchronizing? can't they be synchronizing?
Perfect
can't I have synchronized? can't you have synchronized? can't she have synchronized? can't we have synchronized? can't you have synchronized? can't they have synchronized?
V-ing perfect
can't I have been synchronizing? can't you have been synchronizing? can't she have been synchronizing? can't we have been synchronizing? can't you have been synchronizing? can't they have been synchronizing?