English verb conjugation MUST GLASS

Regular verb: glass - glassed - glassed

Affirmation

Simple form

I must glass
you must glass
he must glass
we must glass
you must glass
they must glass

V-ing form

I must be glassing
you must be glassing
he must be glassing
we must be glassing
you must be glassing
they must be glassing

Perfect

I must have glassed
you must have glassed
he must have glassed
we must have glassed
you must have glassed
they must have glassed

V-ing perfect

I must have been glassing
you must have been glassing
he must have been glassing
we must have been glassing
you must have been glassing
they must have been glassing

Negation

Simple form

I must not glass
you must not glass
he must not glass
we must not glass
you must not glass
they must not glass

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I glass?
must you glass?
must he glass?
must we glass?
must you glass?
must they glass?

V-ing form

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

Perfect

must I have glassed?
must you have glassed?
must he have glassed?
must we have glassed?
must you have glassed?
must they have glassed?

V-ing perfect

must I have been glassing?
must you have been glassing?
must he have been glassing?
must we have been glassing?
must you have been glassing?
must they have been glassing?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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