English verb conjugation MUST SPARK

Regular verb: spark - sparked - sparked

Affirmation

Simple form

I must spark
you must spark
he must spark
we must spark
you must spark
they must spark

V-ing form

I must be sparking
you must be sparking
he must be sparking
we must be sparking
you must be sparking
they must be sparking

Perfect

I must have sparked
you must have sparked
he must have sparked
we must have sparked
you must have sparked
they must have sparked

V-ing perfect

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

Negation

Simple form

I mustn't spark
you mustn't spark
he mustn't spark
we mustn't spark
you mustn't spark
they mustn't spark

V-ing form

I mustn't be sparking
you mustn't be sparking
he mustn't be sparking
we mustn't be sparking
you mustn't be sparking
they mustn't be sparking

Perfect

I mustn't have sparked
you mustn't have sparked
he mustn't have sparked
we mustn't have sparked
you mustn't have sparked
they mustn't have sparked

V-ing perfect

I mustn't have been sparking
you mustn't have been sparking
he mustn't have been sparking
we mustn't have been sparking
you mustn't have been sparking
they mustn't have been sparking

Interrogative form

Simple form

must I spark?
must you spark?
must he spark?
must we spark?
must you spark?
must they spark?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I spark?
mustn't you spark?
mustn't he spark?
mustn't we spark?
mustn't you spark?
mustn't they spark?

V-ing form

mustn't I be sparking?
mustn't you be sparking?
mustn't he be sparking?
mustn't we be sparking?
mustn't you be sparking?
mustn't they be sparking?

Perfect

mustn't I have sparked?
mustn't you have sparked?
mustn't he have sparked?
mustn't we have sparked?
mustn't you have sparked?
mustn't they have sparked?

V-ing perfect

mustn't I have been sparking?
mustn't you have been sparking?
mustn't he have been sparking?
mustn't we have been sparking?
mustn't you have been sparking?
mustn't they have been sparking?

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