English verb conjugation
MUST WEATHERISE

Regular verb: weatherise - weatherised - weatherised

Affirmation

Simple form	V-ing form
I must weatherise you must weatherise he must weatherise we must weatherise you must weatherise they must weatherise	I must be weatherising you must be weatherising he must be weatherising we must be weatherising you must be weatherising they must be weatherising
Perfect	V-ing perfect
I must have weatherised you must have weatherised he must have weatherised we must have weatherised you must have weatherised they must have weatherised	I must have been weatherising you must have been weatherising he must have been weatherising we must have been weatherising you must have been weatherising they must have been weatherising

Negation

Simple form	V-ing form
I mustn't weatherise you mustn't weatherise he mustn't weatherise we mustn't weatherise you mustn't weatherise they mustn't weatherise	I mustn't be weatherising you mustn't be weatherising he mustn't be weatherising we mustn't be weatherising you mustn't be weatherising they mustn't be weatherising
Perfect	V-ing perfect
I mustn't have weatherised you mustn't have weatherised he mustn't have weatherised we mustn't have weatherised you mustn't have weatherised they mustn't have weatherised	I mustn't have been weatherising you mustn't have been weatherising he mustn't have been weatherising we mustn't have been weatherising you mustn't have been weatherising they mustn't have been weatherising

Interrogative form

Simple form	V-ing form
must I weatherise? must you weatherise? must he weatherise? must we weatherise? must you weatherise? must they weatherise?	must I be weatherising? must you be weatherising? must he be weatherising? must we be weatherising? must you be weatherising? must they be weatherising?
Perfect	V-ing perfect
must I have weatherised? must you have weatherised? must he have weatherised? must we have weatherised? must you have weatherised? must they have weatherised?	must I have been weatherising? must you have been weatherising? must he have been weatherising? must we have been weatherising? must you have been weatherising? must they have been weatherising?

Interro-negative form

Simple form	V-ing form
mustn't I weatherise? mustn't you weatherise? mustn't he weatherise? mustn't we weatherise? mustn't you weatherise? mustn't they weatherise?	mustn't I be weatherising? mustn't you be weatherising? mustn't he be weatherising? mustn't we be weatherising? mustn't you be weatherising? mustn't they be weatherising?
Perfect	V-ing perfect
mustn't I have weatherised? mustn't you have weatherised? mustn't he have weatherised? mustn't we have weatherised? mustn't you have weatherised? mustn't they have weatherised?	mustn't I have been weatherising? mustn't you have been weatherising? mustn't he have been weatherising? mustn't we have been weatherising? mustn't you have been weatherising? mustn't they have been weatherising?