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