English verb conjugation
MUST SWISH

Regular verb: swish - swished - swished

Affirmation

Simple form	V-ing form
I must swish you must swish she must swish we must swish you must swish they must swish	I must be swishing you must be swishing she must be swishing we must be swishing you must be swishing they must be swishing
Perfect	V-ing perfect
I must have swished you must have swished she must have swished we must have swished you must have swished they must have swished	I must have been swishing you must have been swishing she must have been swishing we must have been swishing you must have been swishing they must have been swishing

Negation

Simple form	V-ing form
I mustn't swish you mustn't swish she mustn't swish we mustn't swish you mustn't swish they mustn't swish	I mustn't be swishing you mustn't be swishing she mustn't be swishing we mustn't be swishing you mustn't be swishing they mustn't be swishing
Perfect	V-ing perfect
I mustn't have swished you mustn't have swished she mustn't have swished we mustn't have swished you mustn't have swished they mustn't have swished	I mustn't have been swishing you mustn't have been swishing she mustn't have been swishing we mustn't have been swishing you mustn't have been swishing they mustn't have been swishing

Interrogative form

Simple form	V-ing form
must I swish? must you swish? must she swish? must we swish? must you swish? must they swish?	must I be swishing? must you be swishing? must she be swishing? must we be swishing? must you be swishing? must they be swishing?
Perfect	V-ing perfect
must I have swished? must you have swished? must she have swished? must we have swished? must you have swished? must they have swished?	must I have been swishing? must you have been swishing? must she have been swishing? must we have been swishing? must you have been swishing? must they have been swishing?

Interro-negative form

Simple form	V-ing form
mustn't I swish? mustn't you swish? mustn't she swish? mustn't we swish? mustn't you swish? mustn't they swish?	mustn't I be swishing? mustn't you be swishing? mustn't she be swishing? mustn't we be swishing? mustn't you be swishing? mustn't they be swishing?
Perfect	V-ing perfect
mustn't I have swished? mustn't you have swished? mustn't she have swished? mustn't we have swished? mustn't you have swished? mustn't they have swished?	mustn't I have been swishing? mustn't you have been swishing? mustn't she have been swishing? mustn't we have been swishing? mustn't you have been swishing? mustn't they have been swishing?