English verb conjugation
MUST TRIFFLE TRIFFLE

Regular verb: triffle triffle - triffle triffled - triffle triffled

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must triffle triffle you must triffle triffle she must triffle triffle we must triffle triffle you must triffle triffle they must triffle triffle	I must be triffle triffling you must be triffle triffling she must be triffle triffling we must be triffle triffling you must be triffle triffling they must be triffle triffling
Perfect	V-ing perfect
I must have triffle triffled you must have triffle triffled she must have triffle triffled we must have triffle triffled you must have triffle triffled they must have triffle triffled	I must have been triffle triffling you must have been triffle triffling she must have been triffle triffling we must have been triffle triffling you must have been triffle triffling they must have been triffle triffling

Negation

Simple form	V-ing form
I mustn't triffle triffle you mustn't triffle triffle she mustn't triffle triffle we mustn't triffle triffle you mustn't triffle triffle they mustn't triffle triffle	I mustn't be triffle triffling you mustn't be triffle triffling she mustn't be triffle triffling we mustn't be triffle triffling you mustn't be triffle triffling they mustn't be triffle triffling
Perfect	V-ing perfect
I mustn't have triffle triffled you mustn't have triffle triffled she mustn't have triffle triffled we mustn't have triffle triffled you mustn't have triffle triffled they mustn't have triffle triffled	I mustn't have been triffle triffling you mustn't have been triffle triffling she mustn't have been triffle triffling we mustn't have been triffle triffling you mustn't have been triffle triffling they mustn't have been triffle triffling

Interrogative form

Simple form	V-ing form
must I triffle triffle? must you triffle triffle? must she triffle triffle? must we triffle triffle? must you triffle triffle? must they triffle triffle?	must I be triffle triffling? must you be triffle triffling? must she be triffle triffling? must we be triffle triffling? must you be triffle triffling? must they be triffle triffling?
Perfect	V-ing perfect
must I have triffle triffled? must you have triffle triffled? must she have triffle triffled? must we have triffle triffled? must you have triffle triffled? must they have triffle triffled?	must I have been triffle triffling? must you have been triffle triffling? must she have been triffle triffling? must we have been triffle triffling? must you have been triffle triffling? must they have been triffle triffling?

Interro-negative form

Simple form	V-ing form
mustn't I triffle triffle? mustn't you triffle triffle? mustn't she triffle triffle? mustn't we triffle triffle? mustn't you triffle triffle? mustn't they triffle triffle?	mustn't I be triffle triffling? mustn't you be triffle triffling? mustn't she be triffle triffling? mustn't we be triffle triffling? mustn't you be triffle triffling? mustn't they be triffle triffling?
Perfect	V-ing perfect
mustn't I have triffle triffled? mustn't you have triffle triffled? mustn't she have triffle triffled? mustn't we have triffle triffled? mustn't you have triffle triffled? mustn't they have triffle triffled?	mustn't I have been triffle triffling? mustn't you have been triffle triffling? mustn't she have been triffle triffling? mustn't we have been triffle triffling? mustn't you have been triffle triffling? mustn't they have been triffle triffling?