English verb conjugation
MUST SWASH

Regular verb: swash - swashed - swashed

Affirmation

Simple form	V-ing form
I must swash you must swash he must swash we must swash you must swash they must swash	I must be swashing you must be swashing he must be swashing we must be swashing you must be swashing they must be swashing
Perfect	V-ing perfect
I must have swashed you must have swashed he must have swashed we must have swashed you must have swashed they must have swashed	I must have been swashing you must have been swashing he must have been swashing we must have been swashing you must have been swashing they must have been swashing

Negation

Simple form	V-ing form
I mustn't swash you mustn't swash he mustn't swash we mustn't swash you mustn't swash they mustn't swash	I mustn't be swashing you mustn't be swashing he mustn't be swashing we mustn't be swashing you mustn't be swashing they mustn't be swashing
Perfect	V-ing perfect
I mustn't have swashed you mustn't have swashed he mustn't have swashed we mustn't have swashed you mustn't have swashed they mustn't have swashed	I mustn't have been swashing you mustn't have been swashing he mustn't have been swashing we mustn't have been swashing you mustn't have been swashing they mustn't have been swashing

Interrogative form

Simple form	V-ing form
must I swash? must you swash? must he swash? must we swash? must you swash? must they swash?	must I be swashing? must you be swashing? must he be swashing? must we be swashing? must you be swashing? must they be swashing?
Perfect	V-ing perfect
must I have swashed? must you have swashed? must he have swashed? must we have swashed? must you have swashed? must they have swashed?	must I have been swashing? must you have been swashing? must he have been swashing? must we have been swashing? must you have been swashing? must they have been swashing?

Interro-negative form

Simple form	V-ing form
mustn't I swash? mustn't you swash? mustn't he swash? mustn't we swash? mustn't you swash? mustn't they swash?	mustn't I be swashing? mustn't you be swashing? mustn't he be swashing? mustn't we be swashing? mustn't you be swashing? mustn't they be swashing?
Perfect	V-ing perfect
mustn't I have swashed? mustn't you have swashed? mustn't he have swashed? mustn't we have swashed? mustn't you have swashed? mustn't they have swashed?	mustn't I have been swashing? mustn't you have been swashing? mustn't he have been swashing? mustn't we have been swashing? mustn't you have been swashing? mustn't they have been swashing?