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