Conjugación del verbo inglés
CAN ULCERATE

Verbo regular: ulcerate - ulcerated - ulcerated

Afirmación

Forma simple	Forma con V-ing
I can ulcerate you can ulcerate she can ulcerate we can ulcerate you can ulcerate they can ulcerate	I can be ulcerating you can be ulcerating she can be ulcerating we can be ulcerating you can be ulcerating they can be ulcerating
Perfecto	Perfecto con V-ing
I can have ulcerated you can have ulcerated she can have ulcerated we can have ulcerated you can have ulcerated they can have ulcerated	I can have been ulcerating you can have been ulcerating she can have been ulcerating we can have been ulcerating you can have been ulcerating they can have been ulcerating

Negación

Forma simple	Forma con V-ing
I can't ulcerate you can't ulcerate she can't ulcerate we can't ulcerate you can't ulcerate they can't ulcerate	I can't be ulcerating you can't be ulcerating she can't be ulcerating we can't be ulcerating you can't be ulcerating they can't be ulcerating
Perfecto	Perfecto con V-ing
I can't have ulcerated you can't have ulcerated she can't have ulcerated we can't have ulcerated you can't have ulcerated they can't have ulcerated	I can't have been ulcerating you can't have been ulcerating she can't have been ulcerating we can't have been ulcerating you can't have been ulcerating they can't have been ulcerating

Forma interrogativa

Forma simple	Forma con V-ing
can I ulcerate? can you ulcerate? can she ulcerate? can we ulcerate? can you ulcerate? can they ulcerate?	can I be ulcerating? can you be ulcerating? can she be ulcerating? can we be ulcerating? can you be ulcerating? can they be ulcerating?
Perfecto	Perfecto con V-ing
can I have ulcerated? can you have ulcerated? can she have ulcerated? can we have ulcerated? can you have ulcerated? can they have ulcerated?	can I have been ulcerating? can you have been ulcerating? can she have been ulcerating? can we have been ulcerating? can you have been ulcerating? can they have been ulcerating?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I ulcerate? can't you ulcerate? can't she ulcerate? can't we ulcerate? can't you ulcerate? can't they ulcerate?	can't I be ulcerating? can't you be ulcerating? can't she be ulcerating? can't we be ulcerating? can't you be ulcerating? can't they be ulcerating?
Perfecto	Perfecto con V-ing
can't I have ulcerated? can't you have ulcerated? can't she have ulcerated? can't we have ulcerated? can't you have ulcerated? can't they have ulcerated?	can't I have been ulcerating? can't you have been ulcerating? can't she have been ulcerating? can't we have been ulcerating? can't you have been ulcerating? can't they have been ulcerating?