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