Regular verb: tune - tuned - tuned
Simple form | V-ing form |
I must tune you must tune she must tune we must tune you must tune they must tune | I must be tuning you must be tuning she must be tuning we must be tuning you must be tuning they must be tuning |
Perfect | V-ing perfect |
I must have tuned you must have tuned she must have tuned we must have tuned you must have tuned they must have tuned | I must have been tuning you must have been tuning she must have been tuning we must have been tuning you must have been tuning they must have been tuning |
Simple form | V-ing form |
I mustn't tune you mustn't tune she mustn't tune we mustn't tune you mustn't tune they mustn't tune | I mustn't be tuning you mustn't be tuning she mustn't be tuning we mustn't be tuning you mustn't be tuning they mustn't be tuning |
Perfect | V-ing perfect |
I mustn't have tuned you mustn't have tuned she mustn't have tuned we mustn't have tuned you mustn't have tuned they mustn't have tuned | I mustn't have been tuning you mustn't have been tuning she mustn't have been tuning we mustn't have been tuning you mustn't have been tuning they mustn't have been tuning |
Simple form | V-ing form |
must I tune? must you tune? must she tune? must we tune? must you tune? must they tune? | must I be tuning? must you be tuning? must she be tuning? must we be tuning? must you be tuning? must they be tuning? |
Perfect | V-ing perfect |
must I have tuned? must you have tuned? must she have tuned? must we have tuned? must you have tuned? must they have tuned? | must I have been tuning? must you have been tuning? must she have been tuning? must we have been tuning? must you have been tuning? must they have been tuning? |
Simple form | V-ing form |
mustn't I tune? mustn't you tune? mustn't she tune? mustn't we tune? mustn't you tune? mustn't they tune? | mustn't I be tuning? mustn't you be tuning? mustn't she be tuning? mustn't we be tuning? mustn't you be tuning? mustn't they be tuning? |
Perfect | V-ing perfect |
mustn't I have tuned? mustn't you have tuned? mustn't she have tuned? mustn't we have tuned? mustn't you have tuned? mustn't they have tuned? | mustn't I have been tuning? mustn't you have been tuning? mustn't she have been tuning? mustn't we have been tuning? mustn't you have been tuning? mustn't they have been tuning? |