I could lipread you could lipread he could lipread we could lipread you could lipread they could lipread
Forma con V-ing
I could be lipreading you could be lipreading he could be lipreading we could be lipreading you could be lipreading they could be lipreading
Perfecto
I could have lipread you could have lipread he could have lipread we could have lipread you could have lipread they could have lipread
Perfecto con V-ing
I could have been lipreading you could have been lipreading he could have been lipreading we could have been lipreading you could have been lipreading they could have been lipreading
Negación
Forma simple
I could not lipread you could not lipread he could not lipread we could not lipread you could not lipread they could not lipread
Forma con V-ing
I could not be lipreading you could not be lipreading he could not be lipreading we could not be lipreading you could not be lipreading they could not be lipreading
Perfecto
I could not have lipread you could not have lipread he could not have lipread we could not have lipread you could not have lipread they could not have lipread
Perfecto con V-ing
I could not have been lipreading you could not have been lipreading he could not have been lipreading we could not have been lipreading you could not have been lipreading they could not have been lipreading
Forma interrogativa
Forma simple
could I lipread? could you lipread? could he lipread? could we lipread? could you lipread? could they lipread?
Forma con V-ing
could I be lipreading? could you be lipreading? could he be lipreading? could we be lipreading? could you be lipreading? could they be lipreading?
Perfecto
could I have lipread? could you have lipread? could he have lipread? could we have lipread? could you have lipread? could they have lipread?
Perfecto con V-ing
could I have been lipreading? could you have been lipreading? could he have been lipreading? could we have been lipreading? could you have been lipreading? could they have been lipreading?
Forma interro-negativa
Forma simple
could I not lipread? could you not lipread? could he not lipread? could we not lipread? could you not lipread? could they not lipread?
Forma con V-ing
could I not be lipreading? could you not be lipreading? could he not be lipreading? could we not be lipreading? could you not be lipreading? could they not be lipreading?
Perfecto
could I not have lipread? could you not have lipread? could he not have lipread? could we not have lipread? could you not have lipread? could they not have lipread?
Perfecto con V-ing
could I not have been lipreading? could you not have been lipreading? could he not have been lipreading? could we not have been lipreading? could you not have been lipreading? could they not have been lipreading?