I can chase you can chase he can chase we can chase you can chase they can chase
Forma con V-ing
I can be chasing you can be chasing he can be chasing we can be chasing you can be chasing they can be chasing
Perfecto
I can have chased you can have chased he can have chased we can have chased you can have chased they can have chased
Perfecto con V-ing
I can have been chasing you can have been chasing he can have been chasing we can have been chasing you can have been chasing they can have been chasing
Negación
Forma simple
I can't chase you can't chase he can't chase we can't chase you can't chase they can't chase
Forma con V-ing
I can't be chasing you can't be chasing he can't be chasing we can't be chasing you can't be chasing they can't be chasing
Perfecto
I can't have chased you can't have chased he can't have chased we can't have chased you can't have chased they can't have chased
Perfecto con V-ing
I can't have been chasing you can't have been chasing he can't have been chasing we can't have been chasing you can't have been chasing they can't have been chasing
Forma interrogativa
Forma simple
can I chase? can you chase? can he chase? can we chase? can you chase? can they chase?
Forma con V-ing
can I be chasing? can you be chasing? can he be chasing? can we be chasing? can you be chasing? can they be chasing?
Perfecto
can I have chased? can you have chased? can he have chased? can we have chased? can you have chased? can they have chased?
Perfecto con V-ing
can I have been chasing? can you have been chasing? can he have been chasing? can we have been chasing? can you have been chasing? can they have been chasing?
Forma interro-negativa
Forma simple
can't I chase? can't you chase? can't he chase? can't we chase? can't you chase? can't they chase?
Forma con V-ing
can't I be chasing? can't you be chasing? can't he be chasing? can't we be chasing? can't you be chasing? can't they be chasing?
Perfecto
can't I have chased? can't you have chased? can't he have chased? can't we have chased? can't you have chased? can't they have chased?
Perfecto con V-ing
can't I have been chasing? can't you have been chasing? can't he have been chasing? can't we have been chasing? can't you have been chasing? can't they have been chasing?