I can creep you can creep he can creep we can creep you can creep they can creep
Forma con V-ing
I can be creeping you can be creeping he can be creeping we can be creeping you can be creeping they can be creeping
Perfecto
I can have crept you can have crept he can have crept we can have crept you can have crept they can have crept
Perfecto con V-ing
I can have been creeping you can have been creeping he can have been creeping we can have been creeping you can have been creeping they can have been creeping
Negación
Forma simple
I can't creep you can't creep he can't creep we can't creep you can't creep they can't creep
Forma con V-ing
I can't be creeping you can't be creeping he can't be creeping we can't be creeping you can't be creeping they can't be creeping
Perfecto
I can't have crept you can't have crept he can't have crept we can't have crept you can't have crept they can't have crept
Perfecto con V-ing
I can't have been creeping you can't have been creeping he can't have been creeping we can't have been creeping you can't have been creeping they can't have been creeping
Forma interrogativa
Forma simple
can I creep? can you creep? can he creep? can we creep? can you creep? can they creep?
Forma con V-ing
can I be creeping? can you be creeping? can he be creeping? can we be creeping? can you be creeping? can they be creeping?
Perfecto
can I have crept? can you have crept? can he have crept? can we have crept? can you have crept? can they have crept?
Perfecto con V-ing
can I have been creeping? can you have been creeping? can he have been creeping? can we have been creeping? can you have been creeping? can they have been creeping?
Forma interro-negativa
Forma simple
can't I creep? can't you creep? can't he creep? can't we creep? can't you creep? can't they creep?
Forma con V-ing
can't I be creeping? can't you be creeping? can't he be creeping? can't we be creeping? can't you be creeping? can't they be creeping?
Perfecto
can't I have crept? can't you have crept? can't he have crept? can't we have crept? can't you have crept? can't they have crept?
Perfecto con V-ing
can't I have been creeping? can't you have been creeping? can't he have been creeping? can't we have been creeping? can't you have been creeping? can't they have been creeping?