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