English verb conjugation
MUST PRATTLE

Regular verb: prattle - prattled - prattled

Affirmation

Simple form	V-ing form
I must prattle you must prattle he must prattle we must prattle you must prattle they must prattle	I must be prattling you must be prattling he must be prattling we must be prattling you must be prattling they must be prattling
Perfect	V-ing perfect
I must have prattled you must have prattled he must have prattled we must have prattled you must have prattled they must have prattled	I must have been prattling you must have been prattling he must have been prattling we must have been prattling you must have been prattling they must have been prattling

Negation

Simple form	V-ing form
I mustn't prattle you mustn't prattle he mustn't prattle we mustn't prattle you mustn't prattle they mustn't prattle	I mustn't be prattling you mustn't be prattling he mustn't be prattling we mustn't be prattling you mustn't be prattling they mustn't be prattling
Perfect	V-ing perfect
I mustn't have prattled you mustn't have prattled he mustn't have prattled we mustn't have prattled you mustn't have prattled they mustn't have prattled	I mustn't have been prattling you mustn't have been prattling he mustn't have been prattling we mustn't have been prattling you mustn't have been prattling they mustn't have been prattling

Interrogative form

Simple form	V-ing form
must I prattle? must you prattle? must he prattle? must we prattle? must you prattle? must they prattle?	must I be prattling? must you be prattling? must he be prattling? must we be prattling? must you be prattling? must they be prattling?
Perfect	V-ing perfect
must I have prattled? must you have prattled? must he have prattled? must we have prattled? must you have prattled? must they have prattled?	must I have been prattling? must you have been prattling? must he have been prattling? must we have been prattling? must you have been prattling? must they have been prattling?

Interro-negative form

Simple form	V-ing form
mustn't I prattle? mustn't you prattle? mustn't he prattle? mustn't we prattle? mustn't you prattle? mustn't they prattle?	mustn't I be prattling? mustn't you be prattling? mustn't he be prattling? mustn't we be prattling? mustn't you be prattling? mustn't they be prattling?
Perfect	V-ing perfect
mustn't I have prattled? mustn't you have prattled? mustn't he have prattled? mustn't we have prattled? mustn't you have prattled? mustn't they have prattled?	mustn't I have been prattling? mustn't you have been prattling? mustn't he have been prattling? mustn't we have been prattling? mustn't you have been prattling? mustn't they have been prattling?