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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST SMILE

Regular verb: smile - smiled - smiled


Affirmation

Simple form
I must smile
you must smile
she must smile
we must smile
you must smile
they must smile
V-ing form
I must be smiling
you must be smiling
she must be smiling
we must be smiling
you must be smiling
they must be smiling
Perfect
I must have smiled
you must have smiled
she must have smiled
we must have smiled
you must have smiled
they must have smiled
V-ing perfect
I must have been smiling
you must have been smiling
she must have been smiling
we must have been smiling
you must have been smiling
they must have been smiling

Negation

Simple form
I mustn't smile
you mustn't smile
she mustn't smile
we mustn't smile
you mustn't smile
they mustn't smile
V-ing form
I mustn't be smiling
you mustn't be smiling
she mustn't be smiling
we mustn't be smiling
you mustn't be smiling
they mustn't be smiling
Perfect
I mustn't have smiled
you mustn't have smiled
she mustn't have smiled
we mustn't have smiled
you mustn't have smiled
they mustn't have smiled
V-ing perfect
I mustn't have been smiling
you mustn't have been smiling
she mustn't have been smiling
we mustn't have been smiling
you mustn't have been smiling
they mustn't have been smiling

Interrogative form

Simple form
must I smile?
must you smile?
must she smile?
must we smile?
must you smile?
must they smile?
V-ing form
must I be smiling?
must you be smiling?
must she be smiling?
must we be smiling?
must you be smiling?
must they be smiling?
Perfect
must I have smiled?
must you have smiled?
must she have smiled?
must we have smiled?
must you have smiled?
must they have smiled?
V-ing perfect
must I have been smiling?
must you have been smiling?
must she have been smiling?
must we have been smiling?
must you have been smiling?
must they have been smiling?

Interro-negative form

Simple form
mustn't I smile?
mustn't you smile?
mustn't she smile?
mustn't we smile?
mustn't you smile?
mustn't they smile?
V-ing form
mustn't I be smiling?
mustn't you be smiling?
mustn't she be smiling?
mustn't we be smiling?
mustn't you be smiling?
mustn't they be smiling?
Perfect
mustn't I have smiled?
mustn't you have smiled?
mustn't she have smiled?
mustn't we have smiled?
mustn't you have smiled?
mustn't they have smiled?
V-ing perfect
mustn't I have been smiling?
mustn't you have been smiling?
mustn't she have been smiling?
mustn't we have been smiling?
mustn't you have been smiling?
mustn't they have been smiling?