English verb conjugation
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Regular verb: energise - energised - energised

Affirmation

Simple form	V-ing form
I must energise you must energise she must energise we must energise you must energise they must energise	I must be energising you must be energising she must be energising we must be energising you must be energising they must be energising
Perfect	V-ing perfect
I must have energised you must have energised she must have energised we must have energised you must have energised they must have energised	I must have been energising you must have been energising she must have been energising we must have been energising you must have been energising they must have been energising

Negation

Simple form	V-ing form
I mustn't energise you mustn't energise she mustn't energise we mustn't energise you mustn't energise they mustn't energise	I mustn't be energising you mustn't be energising she mustn't be energising we mustn't be energising you mustn't be energising they mustn't be energising
Perfect	V-ing perfect
I mustn't have energised you mustn't have energised she mustn't have energised we mustn't have energised you mustn't have energised they mustn't have energised	I mustn't have been energising you mustn't have been energising she mustn't have been energising we mustn't have been energising you mustn't have been energising they mustn't have been energising

Interrogative form

Simple form	V-ing form
must I energise? must you energise? must she energise? must we energise? must you energise? must they energise?	must I be energising? must you be energising? must she be energising? must we be energising? must you be energising? must they be energising?
Perfect	V-ing perfect
must I have energised? must you have energised? must she have energised? must we have energised? must you have energised? must they have energised?	must I have been energising? must you have been energising? must she have been energising? must we have been energising? must you have been energising? must they have been energising?

Interro-negative form

Simple form	V-ing form
mustn't I energise? mustn't you energise? mustn't she energise? mustn't we energise? mustn't you energise? mustn't they energise?	mustn't I be energising? mustn't you be energising? mustn't she be energising? mustn't we be energising? mustn't you be energising? mustn't they be energising?
Perfect	V-ing perfect
mustn't I have energised? mustn't you have energised? mustn't she have energised? mustn't we have energised? mustn't you have energised? mustn't they have energised?	mustn't I have been energising? mustn't you have been energising? mustn't she have been energising? mustn't we have been energising? mustn't you have been energising? mustn't they have been energising?