English verb conjugation MUST ENDEAVOUR

Regular verb: endeavour - endeavoured - endeavoured

Affirmation

Simple form

I must endeavour
you must endeavour
he must endeavour
we must endeavour
you must endeavour
they must endeavour

V-ing form

I must be endeavouring
you must be endeavouring
he must be endeavouring
we must be endeavouring
you must be endeavouring
they must be endeavouring

Perfect

I must have endeavoured
you must have endeavoured
he must have endeavoured
we must have endeavoured
you must have endeavoured
they must have endeavoured

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I endeavour?
must you endeavour?
must he endeavour?
must we endeavour?
must you endeavour?
must they endeavour?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top