Conjugación del verbo inglés
CAN SPEAR

Verbo regular: spear - speared - speared

Afirmación

Forma simple	Forma con V-ing
I can spear you can spear he can spear we can spear you can spear they can spear	I can be spearing you can be spearing he can be spearing we can be spearing you can be spearing they can be spearing
Perfecto	Perfecto con V-ing
I can have speared you can have speared he can have speared we can have speared you can have speared they can have speared	I can have been spearing you can have been spearing he can have been spearing we can have been spearing you can have been spearing they can have been spearing

Negación

Forma simple	Forma con V-ing
I cannot spear you cannot spear he cannot spear we cannot spear you cannot spear they cannot spear	I cannot be spearing you cannot be spearing he cannot be spearing we cannot be spearing you cannot be spearing they cannot be spearing
Perfecto	Perfecto con V-ing
I cannot have speared you cannot have speared he cannot have speared we cannot have speared you cannot have speared they cannot have speared	I cannot have been spearing you cannot have been spearing he cannot have been spearing we cannot have been spearing you cannot have been spearing they cannot have been spearing

Forma interrogativa

Forma simple	Forma con V-ing
can I spear? can you spear? can he spear? can we spear? can you spear? can they spear?	can I be spearing? can you be spearing? can he be spearing? can we be spearing? can you be spearing? can they be spearing?
Perfecto	Perfecto con V-ing
can I have speared? can you have speared? can he have speared? can we have speared? can you have speared? can they have speared?	can I have been spearing? can you have been spearing? can he have been spearing? can we have been spearing? can you have been spearing? can they have been spearing?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not spear? can you not spear? can he not spear? can we not spear? can you not spear? can they not spear?	can I not be spearing? can you not be spearing? can he not be spearing? can we not be spearing? can you not be spearing? can they not be spearing?
Perfecto	Perfecto con V-ing
can I not have speared? can you not have speared? can he not have speared? can we not have speared? can you not have speared? can they not have speared?	can I not have been spearing? can you not have been spearing? can he not have been spearing? can we not have been spearing? can you not have been spearing? can they not have been spearing?