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 must not swash you must not swash he must not swash we must not swash you must not swash they must not swash	I must not be swashing you must not be swashing he must not be swashing we must not be swashing you must not be swashing they must not be swashing
Perfect	V-ing perfect
I must not have swashed you must not have swashed he must not have swashed we must not have swashed you must not have swashed they must not have swashed	I must not have been swashing you must not have been swashing he must not have been swashing we must not have been swashing you must not have been swashing they must not 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
must I not swash? must you not swash? must he not swash? must we not swash? must you not swash? must they not swash?	must I not be swashing? must you not be swashing? must he not be swashing? must we not be swashing? must you not be swashing? must they not be swashing?
Perfect	V-ing perfect
must I not have swashed? must you not have swashed? must he not have swashed? must we not have swashed? must you not have swashed? must they not have swashed?	must I not have been swashing? must you not have been swashing? must he not have been swashing? must we not have been swashing? must you not have been swashing? must they not have been swashing?