Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I could mad mad you could mad mad he could mad mad we could mad mad you could mad mad they could mad mad
Forma con V-ing
I could be mad mading you could be mad mading he could be mad mading we could be mad mading you could be mad mading they could be mad mading
Perfecto
I could have mad maded you could have mad maded he could have mad maded we could have mad maded you could have mad maded they could have mad maded
Perfecto con V-ing
I could have been mad mading you could have been mad mading he could have been mad mading we could have been mad mading you could have been mad mading they could have been mad mading
Negación
Forma simple
I couldn't mad mad you couldn't mad mad he couldn't mad mad we couldn't mad mad you couldn't mad mad they couldn't mad mad
Forma con V-ing
I couldn't be mad mading you couldn't be mad mading he couldn't be mad mading we couldn't be mad mading you couldn't be mad mading they couldn't be mad mading
Perfecto
I couldn't have mad maded you couldn't have mad maded he couldn't have mad maded we couldn't have mad maded you couldn't have mad maded they couldn't have mad maded
Perfecto con V-ing
I couldn't have been mad mading you couldn't have been mad mading he couldn't have been mad mading we couldn't have been mad mading you couldn't have been mad mading they couldn't have been mad mading
Forma interrogativa
Forma simple
could I mad mad? could you mad mad? could he mad mad? could we mad mad? could you mad mad? could they mad mad?
Forma con V-ing
could I be mad mading? could you be mad mading? could he be mad mading? could we be mad mading? could you be mad mading? could they be mad mading?
Perfecto
could I have mad maded? could you have mad maded? could he have mad maded? could we have mad maded? could you have mad maded? could they have mad maded?
Perfecto con V-ing
could I have been mad mading? could you have been mad mading? could he have been mad mading? could we have been mad mading? could you have been mad mading? could they have been mad mading?
Forma interro-negativa
Forma simple
couldn't I mad mad? couldn't you mad mad? couldn't he mad mad? couldn't we mad mad? couldn't you mad mad? couldn't they mad mad?
Forma con V-ing
couldn't I be mad mading? couldn't you be mad mading? couldn't he be mad mading? couldn't we be mad mading? couldn't you be mad mading? couldn't they be mad mading?
Perfecto
couldn't I have mad maded? couldn't you have mad maded? couldn't he have mad maded? couldn't we have mad maded? couldn't you have mad maded? couldn't they have mad maded?
Perfecto con V-ing
couldn't I have been mad mading? couldn't you have been mad mading? couldn't he have been mad mading? couldn't we have been mad mading? couldn't you have been mad mading? couldn't they have been mad mading?