Coniugazione del verbo inglese
MUST LEAPFROG

Verbo regolare: leapfrog - leapfroged - leapfroged

Affermazione

Forma semplice	Forma con V-ing
I must leapfrog you must leapfrog he must leapfrog we must leapfrog you must leapfrog they must leapfrog	I must be leapfroging you must be leapfroging he must be leapfroging we must be leapfroging you must be leapfroging they must be leapfroging
Perfetto	Perfetto con V-ing
I must have leapfroged you must have leapfroged he must have leapfroged we must have leapfroged you must have leapfroged they must have leapfroged	I must have been leapfroging you must have been leapfroging he must have been leapfroging we must have been leapfroging you must have been leapfroging they must have been leapfroging

Negazione

Forma semplice	Forma con V-ing
I mustn't leapfrog you mustn't leapfrog he mustn't leapfrog we mustn't leapfrog you mustn't leapfrog they mustn't leapfrog	I mustn't be leapfroging you mustn't be leapfroging he mustn't be leapfroging we mustn't be leapfroging you mustn't be leapfroging they mustn't be leapfroging
Perfetto	Perfetto con V-ing
I mustn't have leapfroged you mustn't have leapfroged he mustn't have leapfroged we mustn't have leapfroged you mustn't have leapfroged they mustn't have leapfroged	I mustn't have been leapfroging you mustn't have been leapfroging he mustn't have been leapfroging we mustn't have been leapfroging you mustn't have been leapfroging they mustn't have been leapfroging

Forma interrogativa

Forma semplice	Forma con V-ing
must I leapfrog? must you leapfrog? must he leapfrog? must we leapfrog? must you leapfrog? must they leapfrog?	must I be leapfroging? must you be leapfroging? must he be leapfroging? must we be leapfroging? must you be leapfroging? must they be leapfroging?
Perfetto	Perfetto con V-ing
must I have leapfroged? must you have leapfroged? must he have leapfroged? must we have leapfroged? must you have leapfroged? must they have leapfroged?	must I have been leapfroging? must you have been leapfroging? must he have been leapfroging? must we have been leapfroging? must you have been leapfroging? must they have been leapfroging?

Forma interro-negativa

Forma semplice	Forma con V-ing
mustn't I leapfrog? mustn't you leapfrog? mustn't he leapfrog? mustn't we leapfrog? mustn't you leapfrog? mustn't they leapfrog?	mustn't I be leapfroging? mustn't you be leapfroging? mustn't he be leapfroging? mustn't we be leapfroging? mustn't you be leapfroging? mustn't they be leapfroging?
Perfetto	Perfetto con V-ing
mustn't I have leapfroged? mustn't you have leapfroged? mustn't he have leapfroged? mustn't we have leapfroged? mustn't you have leapfroged? mustn't they have leapfroged?	mustn't I have been leapfroging? mustn't you have been leapfroging? mustn't he have been leapfroging? mustn't we have been leapfroging? mustn't you have been leapfroging? mustn't they have been leapfroging?