English verb conjugation
MUST ROUND

Regular verb: round - rounded - rounded

Affirmation

Simple form	V-ing form
I must round you must round he must round we must round you must round they must round	I must be rounding you must be rounding he must be rounding we must be rounding you must be rounding they must be rounding
Perfect	V-ing perfect
I must have rounded you must have rounded he must have rounded we must have rounded you must have rounded they must have rounded	I must have been rounding you must have been rounding he must have been rounding we must have been rounding you must have been rounding they must have been rounding

Negation

Simple form	V-ing form
I mustn't round you mustn't round he mustn't round we mustn't round you mustn't round they mustn't round	I mustn't be rounding you mustn't be rounding he mustn't be rounding we mustn't be rounding you mustn't be rounding they mustn't be rounding
Perfect	V-ing perfect
I mustn't have rounded you mustn't have rounded he mustn't have rounded we mustn't have rounded you mustn't have rounded they mustn't have rounded	I mustn't have been rounding you mustn't have been rounding he mustn't have been rounding we mustn't have been rounding you mustn't have been rounding they mustn't have been rounding

Interrogative form

Simple form	V-ing form
must I round? must you round? must he round? must we round? must you round? must they round?	must I be rounding? must you be rounding? must he be rounding? must we be rounding? must you be rounding? must they be rounding?
Perfect	V-ing perfect
must I have rounded? must you have rounded? must he have rounded? must we have rounded? must you have rounded? must they have rounded?	must I have been rounding? must you have been rounding? must he have been rounding? must we have been rounding? must you have been rounding? must they have been rounding?

Interro-negative form

Simple form	V-ing form
mustn't I round? mustn't you round? mustn't he round? mustn't we round? mustn't you round? mustn't they round?	mustn't I be rounding? mustn't you be rounding? mustn't he be rounding? mustn't we be rounding? mustn't you be rounding? mustn't they be rounding?
Perfect	V-ing perfect
mustn't I have rounded? mustn't you have rounded? mustn't he have rounded? mustn't we have rounded? mustn't you have rounded? mustn't they have rounded?	mustn't I have been rounding? mustn't you have been rounding? mustn't he have been rounding? mustn't we have been rounding? mustn't you have been rounding? mustn't they have been rounding?