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