English verb conjugation
MUST LASH

Regular verb: lash - lashed - lashed

Affirmation

Simple form	V-ing form
I must lash you must lash he must lash we must lash you must lash they must lash	I must be lashing you must be lashing he must be lashing we must be lashing you must be lashing they must be lashing
Perfect	V-ing perfect
I must have lashed you must have lashed he must have lashed we must have lashed you must have lashed they must have lashed	I must have been lashing you must have been lashing he must have been lashing we must have been lashing you must have been lashing they must have been lashing

Negation

Simple form	V-ing form
I mustn't lash you mustn't lash he mustn't lash we mustn't lash you mustn't lash they mustn't lash	I mustn't be lashing you mustn't be lashing he mustn't be lashing we mustn't be lashing you mustn't be lashing they mustn't be lashing
Perfect	V-ing perfect
I mustn't have lashed you mustn't have lashed he mustn't have lashed we mustn't have lashed you mustn't have lashed they mustn't have lashed	I mustn't have been lashing you mustn't have been lashing he mustn't have been lashing we mustn't have been lashing you mustn't have been lashing they mustn't have been lashing

Interrogative form

Simple form	V-ing form
must I lash? must you lash? must he lash? must we lash? must you lash? must they lash?	must I be lashing? must you be lashing? must he be lashing? must we be lashing? must you be lashing? must they be lashing?
Perfect	V-ing perfect
must I have lashed? must you have lashed? must he have lashed? must we have lashed? must you have lashed? must they have lashed?	must I have been lashing? must you have been lashing? must he have been lashing? must we have been lashing? must you have been lashing? must they have been lashing?

Interro-negative form

Simple form	V-ing form
mustn't I lash? mustn't you lash? mustn't he lash? mustn't we lash? mustn't you lash? mustn't they lash?	mustn't I be lashing? mustn't you be lashing? mustn't he be lashing? mustn't we be lashing? mustn't you be lashing? mustn't they be lashing?
Perfect	V-ing perfect
mustn't I have lashed? mustn't you have lashed? mustn't he have lashed? mustn't we have lashed? mustn't you have lashed? mustn't they have lashed?	mustn't I have been lashing? mustn't you have been lashing? mustn't he have been lashing? mustn't we have been lashing? mustn't you have been lashing? mustn't they have been lashing?