English verb conjugation
MUST SWELTER

Regular verb: swelter - sweltered - sweltered

Affirmation

Simple form	V-ing form
I must swelter you must swelter he must swelter we must swelter you must swelter they must swelter	I must be sweltering you must be sweltering he must be sweltering we must be sweltering you must be sweltering they must be sweltering
Perfect	V-ing perfect
I must have sweltered you must have sweltered he must have sweltered we must have sweltered you must have sweltered they must have sweltered	I must have been sweltering you must have been sweltering he must have been sweltering we must have been sweltering you must have been sweltering they must have been sweltering

Negation

Simple form	V-ing form
I mustn't swelter you mustn't swelter he mustn't swelter we mustn't swelter you mustn't swelter they mustn't swelter	I mustn't be sweltering you mustn't be sweltering he mustn't be sweltering we mustn't be sweltering you mustn't be sweltering they mustn't be sweltering
Perfect	V-ing perfect
I mustn't have sweltered you mustn't have sweltered he mustn't have sweltered we mustn't have sweltered you mustn't have sweltered they mustn't have sweltered	I mustn't have been sweltering you mustn't have been sweltering he mustn't have been sweltering we mustn't have been sweltering you mustn't have been sweltering they mustn't have been sweltering

Interrogative form

Simple form	V-ing form
must I swelter? must you swelter? must he swelter? must we swelter? must you swelter? must they swelter?	must I be sweltering? must you be sweltering? must he be sweltering? must we be sweltering? must you be sweltering? must they be sweltering?
Perfect	V-ing perfect
must I have sweltered? must you have sweltered? must he have sweltered? must we have sweltered? must you have sweltered? must they have sweltered?	must I have been sweltering? must you have been sweltering? must he have been sweltering? must we have been sweltering? must you have been sweltering? must they have been sweltering?

Interro-negative form

Simple form	V-ing form
mustn't I swelter? mustn't you swelter? mustn't he swelter? mustn't we swelter? mustn't you swelter? mustn't they swelter?	mustn't I be sweltering? mustn't you be sweltering? mustn't he be sweltering? mustn't we be sweltering? mustn't you be sweltering? mustn't they be sweltering?
Perfect	V-ing perfect
mustn't I have sweltered? mustn't you have sweltered? mustn't he have sweltered? mustn't we have sweltered? mustn't you have sweltered? mustn't they have sweltered?	mustn't I have been sweltering? mustn't you have been sweltering? mustn't he have been sweltering? mustn't we have been sweltering? mustn't you have been sweltering? mustn't they have been sweltering?