Conjugación del verbo inglés
CAN BACKCHECK

Verbo regular: backcheck - backchecked - backchecked

Afirmación

Forma simple	Forma con V-ing
I can backcheck you can backcheck she can backcheck we can backcheck you can backcheck they can backcheck	I can be backchecking you can be backchecking she can be backchecking we can be backchecking you can be backchecking they can be backchecking
Perfecto	Perfecto con V-ing
I can have backchecked you can have backchecked she can have backchecked we can have backchecked you can have backchecked they can have backchecked	I can have been backchecking you can have been backchecking she can have been backchecking we can have been backchecking you can have been backchecking they can have been backchecking

Negación

Forma simple	Forma con V-ing
I cannot backcheck you cannot backcheck she cannot backcheck we cannot backcheck you cannot backcheck they cannot backcheck	I cannot be backchecking you cannot be backchecking she cannot be backchecking we cannot be backchecking you cannot be backchecking they cannot be backchecking
Perfecto	Perfecto con V-ing
I cannot have backchecked you cannot have backchecked she cannot have backchecked we cannot have backchecked you cannot have backchecked they cannot have backchecked	I cannot have been backchecking you cannot have been backchecking she cannot have been backchecking we cannot have been backchecking you cannot have been backchecking they cannot have been backchecking

Forma interrogativa

Forma simple	Forma con V-ing
can I backcheck? can you backcheck? can she backcheck? can we backcheck? can you backcheck? can they backcheck?	can I be backchecking? can you be backchecking? can she be backchecking? can we be backchecking? can you be backchecking? can they be backchecking?
Perfecto	Perfecto con V-ing
can I have backchecked? can you have backchecked? can she have backchecked? can we have backchecked? can you have backchecked? can they have backchecked?	can I have been backchecking? can you have been backchecking? can she have been backchecking? can we have been backchecking? can you have been backchecking? can they have been backchecking?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not backcheck? can you not backcheck? can she not backcheck? can we not backcheck? can you not backcheck? can they not backcheck?	can I not be backchecking? can you not be backchecking? can she not be backchecking? can we not be backchecking? can you not be backchecking? can they not be backchecking?
Perfecto	Perfecto con V-ing
can I not have backchecked? can you not have backchecked? can she not have backchecked? can we not have backchecked? can you not have backchecked? can they not have backchecked?	can I not have been backchecking? can you not have been backchecking? can she not have been backchecking? can we not have been backchecking? can you not have been backchecking? can they not have been backchecking?