English verb conjugation
MUST AVALANCHE

Regular verb: avalanche - avalanched - avalanched

Affirmation

Simple form	V-ing form
I must avalanche you must avalanche she must avalanche we must avalanche you must avalanche they must avalanche	I must be avalanching you must be avalanching she 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 she 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 she 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 must not avalanche you must not avalanche she must not avalanche we must not avalanche you must not avalanche they must not avalanche	I must not be avalanching you must not be avalanching she must not be avalanching we must not be avalanching you must not be avalanching they must not be avalanching
Perfect	V-ing perfect
I must not have avalanched you must not have avalanched she must not have avalanched we must not have avalanched you must not have avalanched they must not have avalanched	I must not have been avalanching you must not have been avalanching she must not have been avalanching we must not have been avalanching you must not have been avalanching they must not have been avalanching

Interrogative form

Simple form	V-ing form
must I avalanche? must you avalanche? must she avalanche? must we avalanche? must you avalanche? must they avalanche?	must I be avalanching? must you be avalanching? must she 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 she 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 she 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
must I not avalanche? must you not avalanche? must she not avalanche? must we not avalanche? must you not avalanche? must they not avalanche?	must I not be avalanching? must you not be avalanching? must she not be avalanching? must we not be avalanching? must you not be avalanching? must they not be avalanching?
Perfect	V-ing perfect
must I not have avalanched? must you not have avalanched? must she not have avalanched? must we not have avalanched? must you not have avalanched? must they not have avalanched?	must I not have been avalanching? must you not have been avalanching? must she not have been avalanching? must we not have been avalanching? must you not have been avalanching? must they not have been avalanching?