English verb conjugation
MUST SQUASH

Regular verb: squash - squashed - squashed

Affirmation

Simple form	V-ing form
I must squash you must squash he must squash we must squash you must squash they must squash	I must be squashing you must be squashing he must be squashing we must be squashing you must be squashing they must be squashing
Perfect	V-ing perfect
I must have squashed you must have squashed he must have squashed we must have squashed you must have squashed they must have squashed	I must have been squashing you must have been squashing he must have been squashing we must have been squashing you must have been squashing they must have been squashing

Negation

Simple form	V-ing form
I mustn't squash you mustn't squash he mustn't squash we mustn't squash you mustn't squash they mustn't squash	I mustn't be squashing you mustn't be squashing he mustn't be squashing we mustn't be squashing you mustn't be squashing they mustn't be squashing
Perfect	V-ing perfect
I mustn't have squashed you mustn't have squashed he mustn't have squashed we mustn't have squashed you mustn't have squashed they mustn't have squashed	I mustn't have been squashing you mustn't have been squashing he mustn't have been squashing we mustn't have been squashing you mustn't have been squashing they mustn't have been squashing

Interrogative form

Simple form	V-ing form
must I squash? must you squash? must he squash? must we squash? must you squash? must they squash?	must I be squashing? must you be squashing? must he be squashing? must we be squashing? must you be squashing? must they be squashing?
Perfect	V-ing perfect
must I have squashed? must you have squashed? must he have squashed? must we have squashed? must you have squashed? must they have squashed?	must I have been squashing? must you have been squashing? must he have been squashing? must we have been squashing? must you have been squashing? must they have been squashing?

Interro-negative form

Simple form	V-ing form
mustn't I squash? mustn't you squash? mustn't he squash? mustn't we squash? mustn't you squash? mustn't they squash?	mustn't I be squashing? mustn't you be squashing? mustn't he be squashing? mustn't we be squashing? mustn't you be squashing? mustn't they be squashing?
Perfect	V-ing perfect
mustn't I have squashed? mustn't you have squashed? mustn't he have squashed? mustn't we have squashed? mustn't you have squashed? mustn't they have squashed?	mustn't I have been squashing? mustn't you have been squashing? mustn't he have been squashing? mustn't we have been squashing? mustn't you have been squashing? mustn't they have been squashing?