English verb conjugation
MUST AVALANCHE

Regular verb: avalanche - avalanched - avalanched

Affirmation

Simple form	V-ing form
I must avalanche you must avalanche he must avalanche we must avalanche you must avalanche they must avalanche	I must be avalanching you must be avalanching he must be avalanching we must be avalanching you must be avalanching they must be avalanching
Perfect	V-ing perfect
I must have avalanched you must have avalanched he must have avalanched we must have avalanched you must have avalanched they must have avalanched	I must have been avalanching you must have been avalanching he must have been avalanching we must have been avalanching you must have been avalanching they must have been avalanching

Negation

Simple form	V-ing form
I mustn't avalanche you mustn't avalanche he mustn't avalanche we mustn't avalanche you mustn't avalanche they mustn't avalanche	I mustn't be avalanching you mustn't be avalanching he mustn't be avalanching we mustn't be avalanching you mustn't be avalanching they mustn't be avalanching
Perfect	V-ing perfect
I mustn't have avalanched you mustn't have avalanched he mustn't have avalanched we mustn't have avalanched you mustn't have avalanched they mustn't have avalanched	I mustn't have been avalanching you mustn't have been avalanching he mustn't have been avalanching we mustn't have been avalanching you mustn't have been avalanching they mustn't have been avalanching

Interrogative form

Simple form	V-ing form
must I avalanche? must you avalanche? must he avalanche? must we avalanche? must you avalanche? must they avalanche?	must I be avalanching? must you be avalanching? must he be avalanching? must we be avalanching? must you be avalanching? must they be avalanching?
Perfect	V-ing perfect
must I have avalanched? must you have avalanched? must he have avalanched? must we have avalanched? must you have avalanched? must they have avalanched?	must I have been avalanching? must you have been avalanching? must he have been avalanching? must we have been avalanching? must you have been avalanching? must they have been avalanching?

Interro-negative form

Simple form	V-ing form
mustn't I avalanche? mustn't you avalanche? mustn't he avalanche? mustn't we avalanche? mustn't you avalanche? mustn't they avalanche?	mustn't I be avalanching? mustn't you be avalanching? mustn't he be avalanching? mustn't we be avalanching? mustn't you be avalanching? mustn't they be avalanching?
Perfect	V-ing perfect
mustn't I have avalanched? mustn't you have avalanched? mustn't he have avalanched? mustn't we have avalanched? mustn't you have avalanched? mustn't they have avalanched?	mustn't I have been avalanching? mustn't you have been avalanching? mustn't he have been avalanching? mustn't we have been avalanching? mustn't you have been avalanching? mustn't they have been avalanching?