English verb conjugation
MUST GAMBOL

Regular verb: gambol - gamboled - gamboled

Affirmation

Simple form	V-ing form
I must gambol you must gambol he must gambol we must gambol you must gambol they must gambol	I must be gamboling you must be gamboling he must be gamboling we must be gamboling you must be gamboling they must be gamboling
Perfect	V-ing perfect
I must have gamboled you must have gamboled he must have gamboled we must have gamboled you must have gamboled they must have gamboled	I must have been gamboling you must have been gamboling he must have been gamboling we must have been gamboling you must have been gamboling they must have been gamboling

Negation

Simple form	V-ing form
I mustn't gambol you mustn't gambol he mustn't gambol we mustn't gambol you mustn't gambol they mustn't gambol	I mustn't be gamboling you mustn't be gamboling he mustn't be gamboling we mustn't be gamboling you mustn't be gamboling they mustn't be gamboling
Perfect	V-ing perfect
I mustn't have gamboled you mustn't have gamboled he mustn't have gamboled we mustn't have gamboled you mustn't have gamboled they mustn't have gamboled	I mustn't have been gamboling you mustn't have been gamboling he mustn't have been gamboling we mustn't have been gamboling you mustn't have been gamboling they mustn't have been gamboling

Interrogative form

Simple form	V-ing form
must I gambol? must you gambol? must he gambol? must we gambol? must you gambol? must they gambol?	must I be gamboling? must you be gamboling? must he be gamboling? must we be gamboling? must you be gamboling? must they be gamboling?
Perfect	V-ing perfect
must I have gamboled? must you have gamboled? must he have gamboled? must we have gamboled? must you have gamboled? must they have gamboled?	must I have been gamboling? must you have been gamboling? must he have been gamboling? must we have been gamboling? must you have been gamboling? must they have been gamboling?

Interro-negative form

Simple form	V-ing form
mustn't I gambol? mustn't you gambol? mustn't he gambol? mustn't we gambol? mustn't you gambol? mustn't they gambol?	mustn't I be gamboling? mustn't you be gamboling? mustn't he be gamboling? mustn't we be gamboling? mustn't you be gamboling? mustn't they be gamboling?
Perfect	V-ing perfect
mustn't I have gamboled? mustn't you have gamboled? mustn't he have gamboled? mustn't we have gamboled? mustn't you have gamboled? mustn't they have gamboled?	mustn't I have been gamboling? mustn't you have been gamboling? mustn't he have been gamboling? mustn't we have been gamboling? mustn't you have been gamboling? mustn't they have been gamboling?