English verb conjugation
MUST FOUR-WHEEL

Regular verb: four-wheel - four-wheeled - four-wheeled

Affirmation

Simple form	V-ing form
I must four-wheel you must four-wheel she must four-wheel we must four-wheel you must four-wheel they must four-wheel	I must be four-wheeling you must be four-wheeling she must be four-wheeling we must be four-wheeling you must be four-wheeling they must be four-wheeling
Perfect	V-ing perfect
I must have four-wheeled you must have four-wheeled she must have four-wheeled we must have four-wheeled you must have four-wheeled they must have four-wheeled	I must have been four-wheeling you must have been four-wheeling she must have been four-wheeling we must have been four-wheeling you must have been four-wheeling they must have been four-wheeling

Negation

Simple form	V-ing form
I mustn't four-wheel you mustn't four-wheel she mustn't four-wheel we mustn't four-wheel you mustn't four-wheel they mustn't four-wheel	I mustn't be four-wheeling you mustn't be four-wheeling she mustn't be four-wheeling we mustn't be four-wheeling you mustn't be four-wheeling they mustn't be four-wheeling
Perfect	V-ing perfect
I mustn't have four-wheeled you mustn't have four-wheeled she mustn't have four-wheeled we mustn't have four-wheeled you mustn't have four-wheeled they mustn't have four-wheeled	I mustn't have been four-wheeling you mustn't have been four-wheeling she mustn't have been four-wheeling we mustn't have been four-wheeling you mustn't have been four-wheeling they mustn't have been four-wheeling

Interrogative form

Simple form	V-ing form
must I four-wheel? must you four-wheel? must she four-wheel? must we four-wheel? must you four-wheel? must they four-wheel?	must I be four-wheeling? must you be four-wheeling? must she be four-wheeling? must we be four-wheeling? must you be four-wheeling? must they be four-wheeling?
Perfect	V-ing perfect
must I have four-wheeled? must you have four-wheeled? must she have four-wheeled? must we have four-wheeled? must you have four-wheeled? must they have four-wheeled?	must I have been four-wheeling? must you have been four-wheeling? must she have been four-wheeling? must we have been four-wheeling? must you have been four-wheeling? must they have been four-wheeling?

Interro-negative form

Simple form	V-ing form
mustn't I four-wheel? mustn't you four-wheel? mustn't she four-wheel? mustn't we four-wheel? mustn't you four-wheel? mustn't they four-wheel?	mustn't I be four-wheeling? mustn't you be four-wheeling? mustn't she be four-wheeling? mustn't we be four-wheeling? mustn't you be four-wheeling? mustn't they be four-wheeling?
Perfect	V-ing perfect
mustn't I have four-wheeled? mustn't you have four-wheeled? mustn't she have four-wheeled? mustn't we have four-wheeled? mustn't you have four-wheeled? mustn't they have four-wheeled?	mustn't I have been four-wheeling? mustn't you have been four-wheeling? mustn't she have been four-wheeling? mustn't we have been four-wheeling? mustn't you have been four-wheeling? mustn't they have been four-wheeling?