English verb conjugation MUST SMILE

Regular verb: smile - smiled - smiled


Affirmation

Simple form

I must smile
you must smile
he must smile
we must smile
you must smile
they must smile

V-ing form

I must be smiling
you must be smiling
he must be smiling
we must be smiling
you must be smiling
they must be smiling

Perfect

I must have smiled
you must have smiled
he 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
he must have been smiling
we must have been smiling
you must have been smiling
they must have been smiling

Negation

Simple form

I must not smile
you must not smile
he must not smile
we must not smile
you must not smile
they must not smile

V-ing form

I must not be smiling
you must not be smiling
he must not be smiling
we must not be smiling
you must not be smiling
they must not be smiling

Perfect

I must not have smiled
you must not have smiled
he must not have smiled
we must not have smiled
you must not have smiled
they must not have smiled

V-ing perfect

I must not have been smiling
you must not have been smiling
he must not have been smiling
we must not have been smiling
you must not have been smiling
they must not have been smiling

Interrogative form

Simple form

must I smile?
must you smile?
must he smile?
must we smile?
must you smile?
must they smile?

V-ing form

must I be smiling?
must you be smiling?
must he be smiling?
must we be smiling?
must you be smiling?
must they be smiling?

Perfect

must I have smiled?
must you have smiled?
must he 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 he have been smiling?
must we have been smiling?
must you have been smiling?
must they have been smiling?

Interro-negative form

Simple form

must I not smile?
must you not smile?
must he not smile?
must we not smile?
must you not smile?
must they not smile?

V-ing form

must I not be smiling?
must you not be smiling?
must he not be smiling?
must we not be smiling?
must you not be smiling?
must they not be smiling?

Perfect

must I not have smiled?
must you not have smiled?
must he not have smiled?
must we not have smiled?
must you not have smiled?
must they not have smiled?

V-ing perfect

must I not have been smiling?
must you not have been smiling?
must he not have been smiling?
must we not have been smiling?
must you not have been smiling?
must they not have been smiling?