English verb conjugation
MUST LEACH

Regular verb: leach - leached - leached

Affirmation

Simple form	V-ing form
I must leach you must leach he must leach we must leach you must leach they must leach	I must be leaching you must be leaching he must be leaching we must be leaching you must be leaching they must be leaching
Perfect	V-ing perfect
I must have leached you must have leached he must have leached we must have leached you must have leached they must have leached	I must have been leaching you must have been leaching he must have been leaching we must have been leaching you must have been leaching they must have been leaching

Negation

Simple form	V-ing form
I mustn't leach you mustn't leach he mustn't leach we mustn't leach you mustn't leach they mustn't leach	I mustn't be leaching you mustn't be leaching he mustn't be leaching we mustn't be leaching you mustn't be leaching they mustn't be leaching
Perfect	V-ing perfect
I mustn't have leached you mustn't have leached he mustn't have leached we mustn't have leached you mustn't have leached they mustn't have leached	I mustn't have been leaching you mustn't have been leaching he mustn't have been leaching we mustn't have been leaching you mustn't have been leaching they mustn't have been leaching

Interrogative form

Simple form	V-ing form
must I leach? must you leach? must he leach? must we leach? must you leach? must they leach?	must I be leaching? must you be leaching? must he be leaching? must we be leaching? must you be leaching? must they be leaching?
Perfect	V-ing perfect
must I have leached? must you have leached? must he have leached? must we have leached? must you have leached? must they have leached?	must I have been leaching? must you have been leaching? must he have been leaching? must we have been leaching? must you have been leaching? must they have been leaching?

Interro-negative form

Simple form	V-ing form
mustn't I leach? mustn't you leach? mustn't he leach? mustn't we leach? mustn't you leach? mustn't they leach?	mustn't I be leaching? mustn't you be leaching? mustn't he be leaching? mustn't we be leaching? mustn't you be leaching? mustn't they be leaching?
Perfect	V-ing perfect
mustn't I have leached? mustn't you have leached? mustn't he have leached? mustn't we have leached? mustn't you have leached? mustn't they have leached?	mustn't I have been leaching? mustn't you have been leaching? mustn't he have been leaching? mustn't we have been leaching? mustn't you have been leaching? mustn't they have been leaching?