Conjugación del verbo inglés
CAN HEIGHTEN

Verbo regular: heighten - heightened - heightened

Afirmación

Forma simple	Forma con V-ing
I can heighten you can heighten he can heighten we can heighten you can heighten they can heighten	I can be heightening you can be heightening he can be heightening we can be heightening you can be heightening they can be heightening
Perfecto	Perfecto con V-ing
I can have heightened you can have heightened he can have heightened we can have heightened you can have heightened they can have heightened	I can have been heightening you can have been heightening he can have been heightening we can have been heightening you can have been heightening they can have been heightening

Negación

Forma simple	Forma con V-ing
I can't heighten you can't heighten he can't heighten we can't heighten you can't heighten they can't heighten	I can't be heightening you can't be heightening he can't be heightening we can't be heightening you can't be heightening they can't be heightening
Perfecto	Perfecto con V-ing
I can't have heightened you can't have heightened he can't have heightened we can't have heightened you can't have heightened they can't have heightened	I can't have been heightening you can't have been heightening he can't have been heightening we can't have been heightening you can't have been heightening they can't have been heightening

Forma interrogativa

Forma simple	Forma con V-ing
can I heighten? can you heighten? can he heighten? can we heighten? can you heighten? can they heighten?	can I be heightening? can you be heightening? can he be heightening? can we be heightening? can you be heightening? can they be heightening?
Perfecto	Perfecto con V-ing
can I have heightened? can you have heightened? can he have heightened? can we have heightened? can you have heightened? can they have heightened?	can I have been heightening? can you have been heightening? can he have been heightening? can we have been heightening? can you have been heightening? can they have been heightening?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I heighten? can't you heighten? can't he heighten? can't we heighten? can't you heighten? can't they heighten?	can't I be heightening? can't you be heightening? can't he be heightening? can't we be heightening? can't you be heightening? can't they be heightening?
Perfecto	Perfecto con V-ing
can't I have heightened? can't you have heightened? can't he have heightened? can't we have heightened? can't you have heightened? can't they have heightened?	can't I have been heightening? can't you have been heightening? can't he have been heightening? can't we have been heightening? can't you have been heightening? can't they have been heightening?