English verb conjugation
MUST SWALLOW

Regular verb: swallow - swallowed - swallowed

Affirmation

Simple form	V-ing form
I must swallow you must swallow she must swallow we must swallow you must swallow they must swallow	I must be swallowing you must be swallowing she must be swallowing we must be swallowing you must be swallowing they must be swallowing
Perfect	V-ing perfect
I must have swallowed you must have swallowed she must have swallowed we must have swallowed you must have swallowed they must have swallowed	I must have been swallowing you must have been swallowing she must have been swallowing we must have been swallowing you must have been swallowing they must have been swallowing

Negation

Simple form	V-ing form
I mustn't swallow you mustn't swallow she mustn't swallow we mustn't swallow you mustn't swallow they mustn't swallow	I mustn't be swallowing you mustn't be swallowing she mustn't be swallowing we mustn't be swallowing you mustn't be swallowing they mustn't be swallowing
Perfect	V-ing perfect
I mustn't have swallowed you mustn't have swallowed she mustn't have swallowed we mustn't have swallowed you mustn't have swallowed they mustn't have swallowed	I mustn't have been swallowing you mustn't have been swallowing she mustn't have been swallowing we mustn't have been swallowing you mustn't have been swallowing they mustn't have been swallowing

Interrogative form

Simple form	V-ing form
must I swallow? must you swallow? must she swallow? must we swallow? must you swallow? must they swallow?	must I be swallowing? must you be swallowing? must she be swallowing? must we be swallowing? must you be swallowing? must they be swallowing?
Perfect	V-ing perfect
must I have swallowed? must you have swallowed? must she have swallowed? must we have swallowed? must you have swallowed? must they have swallowed?	must I have been swallowing? must you have been swallowing? must she have been swallowing? must we have been swallowing? must you have been swallowing? must they have been swallowing?

Interro-negative form

Simple form	V-ing form
mustn't I swallow? mustn't you swallow? mustn't she swallow? mustn't we swallow? mustn't you swallow? mustn't they swallow?	mustn't I be swallowing? mustn't you be swallowing? mustn't she be swallowing? mustn't we be swallowing? mustn't you be swallowing? mustn't they be swallowing?
Perfect	V-ing perfect
mustn't I have swallowed? mustn't you have swallowed? mustn't she have swallowed? mustn't we have swallowed? mustn't you have swallowed? mustn't they have swallowed?	mustn't I have been swallowing? mustn't you have been swallowing? mustn't she have been swallowing? mustn't we have been swallowing? mustn't you have been swallowing? mustn't they have been swallowing?