I should lip-sync you should lip-sync she should lip-sync we should lip-sync you should lip-sync they should lip-sync
V-ing form
I should be lip-syncing you should be lip-syncing she should be lip-syncing we should be lip-syncing you should be lip-syncing they should be lip-syncing
Perfect
I should have lip-synced you should have lip-synced she should have lip-synced we should have lip-synced you should have lip-synced they should have lip-synced
V-ing perfect
I should have been lip-syncing you should have been lip-syncing she should have been lip-syncing we should have been lip-syncing you should have been lip-syncing they should have been lip-syncing
Negation
Simple form
I should not lip-sync you should not lip-sync she should not lip-sync we should not lip-sync you should not lip-sync they should not lip-sync
V-ing form
I should not be lip-syncing you should not be lip-syncing she should not be lip-syncing we should not be lip-syncing you should not be lip-syncing they should not be lip-syncing
Perfect
I should not have lip-synced you should not have lip-synced she should not have lip-synced we should not have lip-synced you should not have lip-synced they should not have lip-synced
V-ing perfect
I should not have been lip-syncing you should not have been lip-syncing she should not have been lip-syncing we should not have been lip-syncing you should not have been lip-syncing they should not have been lip-syncing
Interrogative form
Simple form
should I lip-sync? should you lip-sync? should she lip-sync? should we lip-sync? should you lip-sync? should they lip-sync?
V-ing form
should I be lip-syncing? should you be lip-syncing? should she be lip-syncing? should we be lip-syncing? should you be lip-syncing? should they be lip-syncing?
Perfect
should I have lip-synced? should you have lip-synced? should she have lip-synced? should we have lip-synced? should you have lip-synced? should they have lip-synced?
V-ing perfect
should I have been lip-syncing? should you have been lip-syncing? should she have been lip-syncing? should we have been lip-syncing? should you have been lip-syncing? should they have been lip-syncing?
Interro-negative form
Simple form
should I not lip-sync? should you not lip-sync? should she not lip-sync? should we not lip-sync? should you not lip-sync? should they not lip-sync?
V-ing form
should I not be lip-syncing? should you not be lip-syncing? should she not be lip-syncing? should we not be lip-syncing? should you not be lip-syncing? should they not be lip-syncing?
Perfect
should I not have lip-synced? should you not have lip-synced? should she not have lip-synced? should we not have lip-synced? should you not have lip-synced? should they not have lip-synced?
V-ing perfect
should I not have been lip-syncing? should you not have been lip-syncing? should she not have been lip-syncing? should we not have been lip-syncing? should you not have been lip-syncing? should they not have been lip-syncing?