Regular verb: saber - sabered - sabered
Simple form | V-ing form |
I must saber you must saber he must saber we must saber you must saber they must saber | I must be sabering you must be sabering he must be sabering we must be sabering you must be sabering they must be sabering |
Perfect | V-ing perfect |
I must have sabered you must have sabered he must have sabered we must have sabered you must have sabered they must have sabered | I must have been sabering you must have been sabering he must have been sabering we must have been sabering you must have been sabering they must have been sabering |
Simple form | V-ing form |
I mustn't saber you mustn't saber he mustn't saber we mustn't saber you mustn't saber they mustn't saber | I mustn't be sabering you mustn't be sabering he mustn't be sabering we mustn't be sabering you mustn't be sabering they mustn't be sabering |
Perfect | V-ing perfect |
I mustn't have sabered you mustn't have sabered he mustn't have sabered we mustn't have sabered you mustn't have sabered they mustn't have sabered | I mustn't have been sabering you mustn't have been sabering he mustn't have been sabering we mustn't have been sabering you mustn't have been sabering they mustn't have been sabering |
Simple form | V-ing form |
must I saber? must you saber? must he saber? must we saber? must you saber? must they saber? | must I be sabering? must you be sabering? must he be sabering? must we be sabering? must you be sabering? must they be sabering? |
Perfect | V-ing perfect |
must I have sabered? must you have sabered? must he have sabered? must we have sabered? must you have sabered? must they have sabered? | must I have been sabering? must you have been sabering? must he have been sabering? must we have been sabering? must you have been sabering? must they have been sabering? |
Simple form | V-ing form |
mustn't I saber? mustn't you saber? mustn't he saber? mustn't we saber? mustn't you saber? mustn't they saber? | mustn't I be sabering? mustn't you be sabering? mustn't he be sabering? mustn't we be sabering? mustn't you be sabering? mustn't they be sabering? |
Perfect | V-ing perfect |
mustn't I have sabered? mustn't you have sabered? mustn't he have sabered? mustn't we have sabered? mustn't you have sabered? mustn't they have sabered? | mustn't I have been sabering? mustn't you have been sabering? mustn't he have been sabering? mustn't we have been sabering? mustn't you have been sabering? mustn't they have been sabering? |