English verb conjugation
MUST BASH

Regular verb: bash - bashed - bashed

Affirmation

Simple form	V-ing form
I must bash you must bash he must bash we must bash you must bash they must bash	I must be bashing you must be bashing he must be bashing we must be bashing you must be bashing they must be bashing
Perfect	V-ing perfect
I must have bashed you must have bashed he must have bashed we must have bashed you must have bashed they must have bashed	I must have been bashing you must have been bashing he must have been bashing we must have been bashing you must have been bashing they must have been bashing

Negation

Simple form	V-ing form
I mustn't bash you mustn't bash he mustn't bash we mustn't bash you mustn't bash they mustn't bash	I mustn't be bashing you mustn't be bashing he mustn't be bashing we mustn't be bashing you mustn't be bashing they mustn't be bashing
Perfect	V-ing perfect
I mustn't have bashed you mustn't have bashed he mustn't have bashed we mustn't have bashed you mustn't have bashed they mustn't have bashed	I mustn't have been bashing you mustn't have been bashing he mustn't have been bashing we mustn't have been bashing you mustn't have been bashing they mustn't have been bashing

Interrogative form

Simple form	V-ing form
must I bash? must you bash? must he bash? must we bash? must you bash? must they bash?	must I be bashing? must you be bashing? must he be bashing? must we be bashing? must you be bashing? must they be bashing?
Perfect	V-ing perfect
must I have bashed? must you have bashed? must he have bashed? must we have bashed? must you have bashed? must they have bashed?	must I have been bashing? must you have been bashing? must he have been bashing? must we have been bashing? must you have been bashing? must they have been bashing?

Interro-negative form

Simple form	V-ing form
mustn't I bash? mustn't you bash? mustn't he bash? mustn't we bash? mustn't you bash? mustn't they bash?	mustn't I be bashing? mustn't you be bashing? mustn't he be bashing? mustn't we be bashing? mustn't you be bashing? mustn't they be bashing?
Perfect	V-ing perfect
mustn't I have bashed? mustn't you have bashed? mustn't he have bashed? mustn't we have bashed? mustn't you have bashed? mustn't they have bashed?	mustn't I have been bashing? mustn't you have been bashing? mustn't he have been bashing? mustn't we have been bashing? mustn't you have been bashing? mustn't they have been bashing?