Verbo regular: straighten - straightened - straightened
Afirmación
Forma simple
I can straighten you can straighten he can straighten we can straighten you can straighten they can straighten
Forma con V-ing
I can be straightening you can be straightening he can be straightening we can be straightening you can be straightening they can be straightening
Perfecto
I can have straightened you can have straightened he can have straightened we can have straightened you can have straightened they can have straightened
Perfecto con V-ing
I can have been straightening you can have been straightening he can have been straightening we can have been straightening you can have been straightening they can have been straightening
Negación
Forma simple
I can't straighten you can't straighten he can't straighten we can't straighten you can't straighten they can't straighten
Forma con V-ing
I can't be straightening you can't be straightening he can't be straightening we can't be straightening you can't be straightening they can't be straightening
Perfecto
I can't have straightened you can't have straightened he can't have straightened we can't have straightened you can't have straightened they can't have straightened
Perfecto con V-ing
I can't have been straightening you can't have been straightening he can't have been straightening we can't have been straightening you can't have been straightening they can't have been straightening
Forma interrogativa
Forma simple
can I straighten? can you straighten? can he straighten? can we straighten? can you straighten? can they straighten?
Forma con V-ing
can I be straightening? can you be straightening? can he be straightening? can we be straightening? can you be straightening? can they be straightening?
Perfecto
can I have straightened? can you have straightened? can he have straightened? can we have straightened? can you have straightened? can they have straightened?
Perfecto con V-ing
can I have been straightening? can you have been straightening? can he have been straightening? can we have been straightening? can you have been straightening? can they have been straightening?
Forma interro-negativa
Forma simple
can't I straighten? can't you straighten? can't he straighten? can't we straighten? can't you straighten? can't they straighten?
Forma con V-ing
can't I be straightening? can't you be straightening? can't he be straightening? can't we be straightening? can't you be straightening? can't they be straightening?
Perfecto
can't I have straightened? can't you have straightened? can't he have straightened? can't we have straightened? can't you have straightened? can't they have straightened?
Perfecto con V-ing
can't I have been straightening? can't you have been straightening? can't he have been straightening? can't we have been straightening? can't you have been straightening? can't they have been straightening?