I can slide you can slide he can slide we can slide you can slide they can slide
Forma con V-ing
I can be sliding you can be sliding he can be sliding we can be sliding you can be sliding they can be sliding
Perfecto
I can have slid you can have slid he can have slid we can have slid you can have slid they can have slid
Perfecto con V-ing
I can have been sliding you can have been sliding he can have been sliding we can have been sliding you can have been sliding they can have been sliding
Negación
Forma simple
I can't slide you can't slide he can't slide we can't slide you can't slide they can't slide
Forma con V-ing
I can't be sliding you can't be sliding he can't be sliding we can't be sliding you can't be sliding they can't be sliding
Perfecto
I can't have slid you can't have slid he can't have slid we can't have slid you can't have slid they can't have slid
Perfecto con V-ing
I can't have been sliding you can't have been sliding he can't have been sliding we can't have been sliding you can't have been sliding they can't have been sliding
Forma interrogativa
Forma simple
can I slide? can you slide? can he slide? can we slide? can you slide? can they slide?
Forma con V-ing
can I be sliding? can you be sliding? can he be sliding? can we be sliding? can you be sliding? can they be sliding?
Perfecto
can I have slid? can you have slid? can he have slid? can we have slid? can you have slid? can they have slid?
Perfecto con V-ing
can I have been sliding? can you have been sliding? can he have been sliding? can we have been sliding? can you have been sliding? can they have been sliding?
Forma interro-negativa
Forma simple
can't I slide? can't you slide? can't he slide? can't we slide? can't you slide? can't they slide?
Forma con V-ing
can't I be sliding? can't you be sliding? can't he be sliding? can't we be sliding? can't you be sliding? can't they be sliding?
Perfecto
can't I have slid? can't you have slid? can't he have slid? can't we have slid? can't you have slid? can't they have slid?
Perfecto con V-ing
can't I have been sliding? can't you have been sliding? can't he have been sliding? can't we have been sliding? can't you have been sliding? can't they have been sliding?