Conjugación del verbo inglés
COULD LEAPFROG

Verbo regular: leapfrog - leapfroged - leapfroged

Afirmación

Forma simple	Forma con V-ing
I could leapfrog you could leapfrog she could leapfrog we could leapfrog you could leapfrog they could leapfrog	I could be leapfroging you could be leapfroging she could be leapfroging we could be leapfroging you could be leapfroging they could be leapfroging
Perfecto	Perfecto con V-ing
I could have leapfroged you could have leapfroged she could have leapfroged we could have leapfroged you could have leapfroged they could have leapfroged	I could have been leapfroging you could have been leapfroging she could have been leapfroging we could have been leapfroging you could have been leapfroging they could have been leapfroging

Negación

Forma simple	Forma con V-ing
I couldn't leapfrog you couldn't leapfrog she couldn't leapfrog we couldn't leapfrog you couldn't leapfrog they couldn't leapfrog	I couldn't be leapfroging you couldn't be leapfroging she couldn't be leapfroging we couldn't be leapfroging you couldn't be leapfroging they couldn't be leapfroging
Perfecto	Perfecto con V-ing
I couldn't have leapfroged you couldn't have leapfroged she couldn't have leapfroged we couldn't have leapfroged you couldn't have leapfroged they couldn't have leapfroged	I couldn't have been leapfroging you couldn't have been leapfroging she couldn't have been leapfroging we couldn't have been leapfroging you couldn't have been leapfroging they couldn't have been leapfroging

Forma interrogativa

Forma simple	Forma con V-ing
could I leapfrog? could you leapfrog? could she leapfrog? could we leapfrog? could you leapfrog? could they leapfrog?	could I be leapfroging? could you be leapfroging? could she be leapfroging? could we be leapfroging? could you be leapfroging? could they be leapfroging?
Perfecto	Perfecto con V-ing
could I have leapfroged? could you have leapfroged? could she have leapfroged? could we have leapfroged? could you have leapfroged? could they have leapfroged?	could I have been leapfroging? could you have been leapfroging? could she have been leapfroging? could we have been leapfroging? could you have been leapfroging? could they have been leapfroging?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I leapfrog? couldn't you leapfrog? couldn't she leapfrog? couldn't we leapfrog? couldn't you leapfrog? couldn't they leapfrog?	couldn't I be leapfroging? couldn't you be leapfroging? couldn't she be leapfroging? couldn't we be leapfroging? couldn't you be leapfroging? couldn't they be leapfroging?
Perfecto	Perfecto con V-ing
couldn't I have leapfroged? couldn't you have leapfroged? couldn't she have leapfroged? couldn't we have leapfroged? couldn't you have leapfroged? couldn't they have leapfroged?	couldn't I have been leapfroging? couldn't you have been leapfroging? couldn't she have been leapfroging? couldn't we have been leapfroging? couldn't you have been leapfroging? couldn't they have been leapfroging?