I can antedate you can antedate he can antedate we can antedate you can antedate they can antedate
Forma con V-ing
I can be antedating you can be antedating he can be antedating we can be antedating you can be antedating they can be antedating
Perfecto
I can have antedated you can have antedated he can have antedated we can have antedated you can have antedated they can have antedated
Perfecto con V-ing
I can have been antedating you can have been antedating he can have been antedating we can have been antedating you can have been antedating they can have been antedating
Negación
Forma simple
I can't antedate you can't antedate he can't antedate we can't antedate you can't antedate they can't antedate
Forma con V-ing
I can't be antedating you can't be antedating he can't be antedating we can't be antedating you can't be antedating they can't be antedating
Perfecto
I can't have antedated you can't have antedated he can't have antedated we can't have antedated you can't have antedated they can't have antedated
Perfecto con V-ing
I can't have been antedating you can't have been antedating he can't have been antedating we can't have been antedating you can't have been antedating they can't have been antedating
Forma interrogativa
Forma simple
can I antedate? can you antedate? can he antedate? can we antedate? can you antedate? can they antedate?
Forma con V-ing
can I be antedating? can you be antedating? can he be antedating? can we be antedating? can you be antedating? can they be antedating?
Perfecto
can I have antedated? can you have antedated? can he have antedated? can we have antedated? can you have antedated? can they have antedated?
Perfecto con V-ing
can I have been antedating? can you have been antedating? can he have been antedating? can we have been antedating? can you have been antedating? can they have been antedating?
Forma interro-negativa
Forma simple
can't I antedate? can't you antedate? can't he antedate? can't we antedate? can't you antedate? can't they antedate?
Forma con V-ing
can't I be antedating? can't you be antedating? can't he be antedating? can't we be antedating? can't you be antedating? can't they be antedating?
Perfecto
can't I have antedated? can't you have antedated? can't he have antedated? can't we have antedated? can't you have antedated? can't they have antedated?
Perfecto con V-ing
can't I have been antedating? can't you have been antedating? can't he have been antedating? can't we have been antedating? can't you have been antedating? can't they have been antedating?