English verb conjugation
MUST LUBRICATE

Regular verb: lubricate - lubricated - lubricated

Affirmation

Simple form	V-ing form
I must lubricate you must lubricate he must lubricate we must lubricate you must lubricate they must lubricate	I must be lubricating you must be lubricating he must be lubricating we must be lubricating you must be lubricating they must be lubricating
Perfect	V-ing perfect
I must have lubricated you must have lubricated he must have lubricated we must have lubricated you must have lubricated they must have lubricated	I must have been lubricating you must have been lubricating he must have been lubricating we must have been lubricating you must have been lubricating they must have been lubricating

Negation

Simple form	V-ing form
I mustn't lubricate you mustn't lubricate he mustn't lubricate we mustn't lubricate you mustn't lubricate they mustn't lubricate	I mustn't be lubricating you mustn't be lubricating he mustn't be lubricating we mustn't be lubricating you mustn't be lubricating they mustn't be lubricating
Perfect	V-ing perfect
I mustn't have lubricated you mustn't have lubricated he mustn't have lubricated we mustn't have lubricated you mustn't have lubricated they mustn't have lubricated	I mustn't have been lubricating you mustn't have been lubricating he mustn't have been lubricating we mustn't have been lubricating you mustn't have been lubricating they mustn't have been lubricating

Interrogative form

Simple form	V-ing form
must I lubricate? must you lubricate? must he lubricate? must we lubricate? must you lubricate? must they lubricate?	must I be lubricating? must you be lubricating? must he be lubricating? must we be lubricating? must you be lubricating? must they be lubricating?
Perfect	V-ing perfect
must I have lubricated? must you have lubricated? must he have lubricated? must we have lubricated? must you have lubricated? must they have lubricated?	must I have been lubricating? must you have been lubricating? must he have been lubricating? must we have been lubricating? must you have been lubricating? must they have been lubricating?

Interro-negative form

Simple form	V-ing form
mustn't I lubricate? mustn't you lubricate? mustn't he lubricate? mustn't we lubricate? mustn't you lubricate? mustn't they lubricate?	mustn't I be lubricating? mustn't you be lubricating? mustn't he be lubricating? mustn't we be lubricating? mustn't you be lubricating? mustn't they be lubricating?
Perfect	V-ing perfect
mustn't I have lubricated? mustn't you have lubricated? mustn't he have lubricated? mustn't we have lubricated? mustn't you have lubricated? mustn't they have lubricated?	mustn't I have been lubricating? mustn't you have been lubricating? mustn't he have been lubricating? mustn't we have been lubricating? mustn't you have been lubricating? mustn't they have been lubricating?