English verb conjugation
MUST SHUTTLE

Regular verb: shuttle - shuttled - shuttled

Affirmation

Simple form	V-ing form
I must shuttle you must shuttle she must shuttle we must shuttle you must shuttle they must shuttle	I must be shuttling you must be shuttling she must be shuttling we must be shuttling you must be shuttling they must be shuttling
Perfect	V-ing perfect
I must have shuttled you must have shuttled she must have shuttled we must have shuttled you must have shuttled they must have shuttled	I must have been shuttling you must have been shuttling she must have been shuttling we must have been shuttling you must have been shuttling they must have been shuttling

Negation

Simple form	V-ing form
I mustn't shuttle you mustn't shuttle she mustn't shuttle we mustn't shuttle you mustn't shuttle they mustn't shuttle	I mustn't be shuttling you mustn't be shuttling she mustn't be shuttling we mustn't be shuttling you mustn't be shuttling they mustn't be shuttling
Perfect	V-ing perfect
I mustn't have shuttled you mustn't have shuttled she mustn't have shuttled we mustn't have shuttled you mustn't have shuttled they mustn't have shuttled	I mustn't have been shuttling you mustn't have been shuttling she mustn't have been shuttling we mustn't have been shuttling you mustn't have been shuttling they mustn't have been shuttling

Interrogative form

Simple form	V-ing form
must I shuttle? must you shuttle? must she shuttle? must we shuttle? must you shuttle? must they shuttle?	must I be shuttling? must you be shuttling? must she be shuttling? must we be shuttling? must you be shuttling? must they be shuttling?
Perfect	V-ing perfect
must I have shuttled? must you have shuttled? must she have shuttled? must we have shuttled? must you have shuttled? must they have shuttled?	must I have been shuttling? must you have been shuttling? must she have been shuttling? must we have been shuttling? must you have been shuttling? must they have been shuttling?

Interro-negative form

Simple form	V-ing form
mustn't I shuttle? mustn't you shuttle? mustn't she shuttle? mustn't we shuttle? mustn't you shuttle? mustn't they shuttle?	mustn't I be shuttling? mustn't you be shuttling? mustn't she be shuttling? mustn't we be shuttling? mustn't you be shuttling? mustn't they be shuttling?
Perfect	V-ing perfect
mustn't I have shuttled? mustn't you have shuttled? mustn't she have shuttled? mustn't we have shuttled? mustn't you have shuttled? mustn't they have shuttled?	mustn't I have been shuttling? mustn't you have been shuttling? mustn't she have been shuttling? mustn't we have been shuttling? mustn't you have been shuttling? mustn't they have been shuttling?