English verb conjugation MUST WELSH

Regular verb: welsh - welshed - welshed

Affirmation

Simple form

I must welsh
you must welsh
he must welsh
we must welsh
you must welsh
they must welsh

V-ing form

I must be welshing
you must be welshing
he must be welshing
we must be welshing
you must be welshing
they must be welshing

Perfect

I must have welshed
you must have welshed
he must have welshed
we must have welshed
you must have welshed
they must have welshed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I welsh?
must you welsh?
must he welsh?
must we welsh?
must you welsh?
must they welsh?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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