English verb conjugation
MUST PERSPIRE

Regular verb: perspire - perspired - perspired

Affirmation

Simple form	V-ing form
I must perspire you must perspire he must perspire we must perspire you must perspire they must perspire	I must be perspiring you must be perspiring he must be perspiring we must be perspiring you must be perspiring they must be perspiring
Perfect	V-ing perfect
I must have perspired you must have perspired he must have perspired we must have perspired you must have perspired they must have perspired	I must have been perspiring you must have been perspiring he must have been perspiring we must have been perspiring you must have been perspiring they must have been perspiring

Negation

Simple form	V-ing form
I mustn't perspire you mustn't perspire he mustn't perspire we mustn't perspire you mustn't perspire they mustn't perspire	I mustn't be perspiring you mustn't be perspiring he mustn't be perspiring we mustn't be perspiring you mustn't be perspiring they mustn't be perspiring
Perfect	V-ing perfect
I mustn't have perspired you mustn't have perspired he mustn't have perspired we mustn't have perspired you mustn't have perspired they mustn't have perspired	I mustn't have been perspiring you mustn't have been perspiring he mustn't have been perspiring we mustn't have been perspiring you mustn't have been perspiring they mustn't have been perspiring

Interrogative form

Simple form	V-ing form
must I perspire? must you perspire? must he perspire? must we perspire? must you perspire? must they perspire?	must I be perspiring? must you be perspiring? must he be perspiring? must we be perspiring? must you be perspiring? must they be perspiring?
Perfect	V-ing perfect
must I have perspired? must you have perspired? must he have perspired? must we have perspired? must you have perspired? must they have perspired?	must I have been perspiring? must you have been perspiring? must he have been perspiring? must we have been perspiring? must you have been perspiring? must they have been perspiring?

Interro-negative form

Simple form	V-ing form
mustn't I perspire? mustn't you perspire? mustn't he perspire? mustn't we perspire? mustn't you perspire? mustn't they perspire?	mustn't I be perspiring? mustn't you be perspiring? mustn't he be perspiring? mustn't we be perspiring? mustn't you be perspiring? mustn't they be perspiring?
Perfect	V-ing perfect
mustn't I have perspired? mustn't you have perspired? mustn't he have perspired? mustn't we have perspired? mustn't you have perspired? mustn't they have perspired?	mustn't I have been perspiring? mustn't you have been perspiring? mustn't he have been perspiring? mustn't we have been perspiring? mustn't you have been perspiring? mustn't they have been perspiring?