I can tend you can tend he can tend we can tend you can tend they can tend
Forma con V-ing
I can be tending you can be tending he can be tending we can be tending you can be tending they can be tending
Perfecto
I can have tended you can have tended he can have tended we can have tended you can have tended they can have tended
Perfecto con V-ing
I can have been tending you can have been tending he can have been tending we can have been tending you can have been tending they can have been tending
Negación
Forma simple
I can't tend you can't tend he can't tend we can't tend you can't tend they can't tend
Forma con V-ing
I can't be tending you can't be tending he can't be tending we can't be tending you can't be tending they can't be tending
Perfecto
I can't have tended you can't have tended he can't have tended we can't have tended you can't have tended they can't have tended
Perfecto con V-ing
I can't have been tending you can't have been tending he can't have been tending we can't have been tending you can't have been tending they can't have been tending
Forma interrogativa
Forma simple
can I tend? can you tend? can he tend? can we tend? can you tend? can they tend?
Forma con V-ing
can I be tending? can you be tending? can he be tending? can we be tending? can you be tending? can they be tending?
Perfecto
can I have tended? can you have tended? can he have tended? can we have tended? can you have tended? can they have tended?
Perfecto con V-ing
can I have been tending? can you have been tending? can he have been tending? can we have been tending? can you have been tending? can they have been tending?
Forma interro-negativa
Forma simple
can't I tend? can't you tend? can't he tend? can't we tend? can't you tend? can't they tend?
Forma con V-ing
can't I be tending? can't you be tending? can't he be tending? can't we be tending? can't you be tending? can't they be tending?
Perfecto
can't I have tended? can't you have tended? can't he have tended? can't we have tended? can't you have tended? can't they have tended?
Perfecto con V-ing
can't I have been tending? can't you have been tending? can't he have been tending? can't we have been tending? can't you have been tending? can't they have been tending?