I must split you must split he must split we must split you must split they must split
Forma con V-ing
I must be splitting you must be splitting he must be splitting we must be splitting you must be splitting they must be splitting
Perfecto
I must have split you must have split he must have split we must have split you must have split they must have split
Perfecto con V-ing
I must have been splitting you must have been splitting he must have been splitting we must have been splitting you must have been splitting they must have been splitting
Negación
Forma simple
I must not split you must not split he must not split we must not split you must not split they must not split
Forma con V-ing
I must not be splitting you must not be splitting he must not be splitting we must not be splitting you must not be splitting they must not be splitting
Perfecto
I must not have split you must not have split he must not have split we must not have split you must not have split they must not have split
Perfecto con V-ing
I must not have been splitting you must not have been splitting he must not have been splitting we must not have been splitting you must not have been splitting they must not have been splitting
Forma interrogativa
Forma simple
must I split? must you split? must he split? must we split? must you split? must they split?
Forma con V-ing
must I be splitting? must you be splitting? must he be splitting? must we be splitting? must you be splitting? must they be splitting?
Perfecto
must I have split? must you have split? must he have split? must we have split? must you have split? must they have split?
Perfecto con V-ing
must I have been splitting? must you have been splitting? must he have been splitting? must we have been splitting? must you have been splitting? must they have been splitting?
Forma interro-negativa
Forma simple
must I not split? must you not split? must he not split? must we not split? must you not split? must they not split?
Forma con V-ing
must I not be splitting? must you not be splitting? must he not be splitting? must we not be splitting? must you not be splitting? must they not be splitting?
Perfecto
must I not have split? must you not have split? must he not have split? must we not have split? must you not have split? must they not have split?
Perfecto con V-ing
must I not have been splitting? must you not have been splitting? must he not have been splitting? must we not have been splitting? must you not have been splitting? must they not have been splitting?