English verb conjugation MUST PRACTISE

Regular verb: practise - practised - practised

Affirmation

Simple form

I must practise
you must practise
he must practise
we must practise
you must practise
they must practise

V-ing form

I must be practising
you must be practising
he must be practising
we must be practising
you must be practising
they must be practising

Perfect

I must have practised
you must have practised
he must have practised
we must have practised
you must have practised
they must have practised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I practise?
must you practise?
must he practise?
must we practise?
must you practise?
must they practise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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