I could outdo you could outdo he could outdo we could outdo you could outdo they could outdo
Forma con V-ing
I could be outdoing you could be outdoing he could be outdoing we could be outdoing you could be outdoing they could be outdoing
Perfecto
I could have outdone you could have outdone he could have outdone we could have outdone you could have outdone they could have outdone
Perfecto con V-ing
I could have been outdoing you could have been outdoing he could have been outdoing we could have been outdoing you could have been outdoing they could have been outdoing
Negación
Forma simple
I couldn't outdo you couldn't outdo he couldn't outdo we couldn't outdo you couldn't outdo they couldn't outdo
Forma con V-ing
I couldn't be outdoing you couldn't be outdoing he couldn't be outdoing we couldn't be outdoing you couldn't be outdoing they couldn't be outdoing
Perfecto
I couldn't have outdone you couldn't have outdone he couldn't have outdone we couldn't have outdone you couldn't have outdone they couldn't have outdone
Perfecto con V-ing
I couldn't have been outdoing you couldn't have been outdoing he couldn't have been outdoing we couldn't have been outdoing you couldn't have been outdoing they couldn't have been outdoing
Forma interrogativa
Forma simple
could I outdo? could you outdo? could he outdo? could we outdo? could you outdo? could they outdo?
Forma con V-ing
could I be outdoing? could you be outdoing? could he be outdoing? could we be outdoing? could you be outdoing? could they be outdoing?
Perfecto
could I have outdone? could you have outdone? could he have outdone? could we have outdone? could you have outdone? could they have outdone?
Perfecto con V-ing
could I have been outdoing? could you have been outdoing? could he have been outdoing? could we have been outdoing? could you have been outdoing? could they have been outdoing?
Forma interro-negativa
Forma simple
couldn't I outdo? couldn't you outdo? couldn't he outdo? couldn't we outdo? couldn't you outdo? couldn't they outdo?
Forma con V-ing
couldn't I be outdoing? couldn't you be outdoing? couldn't he be outdoing? couldn't we be outdoing? couldn't you be outdoing? couldn't they be outdoing?
Perfecto
couldn't I have outdone? couldn't you have outdone? couldn't he have outdone? couldn't we have outdone? couldn't you have outdone? couldn't they have outdone?
Perfecto con V-ing
couldn't I have been outdoing? couldn't you have been outdoing? couldn't he have been outdoing? couldn't we have been outdoing? couldn't you have been outdoing? couldn't they have been outdoing?