I can labor you can labor he can labor we can labor you can labor they can labor
Forma con V-ing
I can be laboring you can be laboring he can be laboring we can be laboring you can be laboring they can be laboring
Perfecto
I can have labored you can have labored he can have labored we can have labored you can have labored they can have labored
Perfecto con V-ing
I can have been laboring you can have been laboring he can have been laboring we can have been laboring you can have been laboring they can have been laboring
Negación
Forma simple
I can't labor you can't labor he can't labor we can't labor you can't labor they can't labor
Forma con V-ing
I can't be laboring you can't be laboring he can't be laboring we can't be laboring you can't be laboring they can't be laboring
Perfecto
I can't have labored you can't have labored he can't have labored we can't have labored you can't have labored they can't have labored
Perfecto con V-ing
I can't have been laboring you can't have been laboring he can't have been laboring we can't have been laboring you can't have been laboring they can't have been laboring
Forma interrogativa
Forma simple
can I labor? can you labor? can he labor? can we labor? can you labor? can they labor?
Forma con V-ing
can I be laboring? can you be laboring? can he be laboring? can we be laboring? can you be laboring? can they be laboring?
Perfecto
can I have labored? can you have labored? can he have labored? can we have labored? can you have labored? can they have labored?
Perfecto con V-ing
can I have been laboring? can you have been laboring? can he have been laboring? can we have been laboring? can you have been laboring? can they have been laboring?
Forma interro-negativa
Forma simple
can't I labor? can't you labor? can't he labor? can't we labor? can't you labor? can't they labor?
Forma con V-ing
can't I be laboring? can't you be laboring? can't he be laboring? can't we be laboring? can't you be laboring? can't they be laboring?
Perfecto
can't I have labored? can't you have labored? can't he have labored? can't we have labored? can't you have labored? can't they have labored?
Perfecto con V-ing
can't I have been laboring? can't you have been laboring? can't he have been laboring? can't we have been laboring? can't you have been laboring? can't they have been laboring?