I can confer you can confer he can confer we can confer you can confer they can confer
Forma con V-ing
I can be conferring you can be conferring he can be conferring we can be conferring you can be conferring they can be conferring
Perfecto
I can have conferred you can have conferred he can have conferred we can have conferred you can have conferred they can have conferred
Perfecto con V-ing
I can have been conferring you can have been conferring he can have been conferring we can have been conferring you can have been conferring they can have been conferring
Negación
Forma simple
I can't confer you can't confer he can't confer we can't confer you can't confer they can't confer
Forma con V-ing
I can't be conferring you can't be conferring he can't be conferring we can't be conferring you can't be conferring they can't be conferring
Perfecto
I can't have conferred you can't have conferred he can't have conferred we can't have conferred you can't have conferred they can't have conferred
Perfecto con V-ing
I can't have been conferring you can't have been conferring he can't have been conferring we can't have been conferring you can't have been conferring they can't have been conferring
Forma interrogativa
Forma simple
can I confer? can you confer? can he confer? can we confer? can you confer? can they confer?
Forma con V-ing
can I be conferring? can you be conferring? can he be conferring? can we be conferring? can you be conferring? can they be conferring?
Perfecto
can I have conferred? can you have conferred? can he have conferred? can we have conferred? can you have conferred? can they have conferred?
Perfecto con V-ing
can I have been conferring? can you have been conferring? can he have been conferring? can we have been conferring? can you have been conferring? can they have been conferring?
Forma interro-negativa
Forma simple
can't I confer? can't you confer? can't he confer? can't we confer? can't you confer? can't they confer?
Forma con V-ing
can't I be conferring? can't you be conferring? can't he be conferring? can't we be conferring? can't you be conferring? can't they be conferring?
Perfecto
can't I have conferred? can't you have conferred? can't he have conferred? can't we have conferred? can't you have conferred? can't they have conferred?
Perfecto con V-ing
can't I have been conferring? can't you have been conferring? can't he have been conferring? can't we have been conferring? can't you have been conferring? can't they have been conferring?