Conjugación del verbo inglés
CAN PREVENT

Verbo regular: prevent - prevented - prevented

Afirmación

Forma simple	Forma con V-ing
I can prevent you can prevent he can prevent we can prevent you can prevent they can prevent	I can be preventing you can be preventing he can be preventing we can be preventing you can be preventing they can be preventing
Perfecto	Perfecto con V-ing
I can have prevented you can have prevented he can have prevented we can have prevented you can have prevented they can have prevented	I can have been preventing you can have been preventing he can have been preventing we can have been preventing you can have been preventing they can have been preventing

Negación

Forma simple	Forma con V-ing
I can't prevent you can't prevent he can't prevent we can't prevent you can't prevent they can't prevent	I can't be preventing you can't be preventing he can't be preventing we can't be preventing you can't be preventing they can't be preventing
Perfecto	Perfecto con V-ing
I can't have prevented you can't have prevented he can't have prevented we can't have prevented you can't have prevented they can't have prevented	I can't have been preventing you can't have been preventing he can't have been preventing we can't have been preventing you can't have been preventing they can't have been preventing

Forma interrogativa

Forma simple	Forma con V-ing
can I prevent? can you prevent? can he prevent? can we prevent? can you prevent? can they prevent?	can I be preventing? can you be preventing? can he be preventing? can we be preventing? can you be preventing? can they be preventing?
Perfecto	Perfecto con V-ing
can I have prevented? can you have prevented? can he have prevented? can we have prevented? can you have prevented? can they have prevented?	can I have been preventing? can you have been preventing? can he have been preventing? can we have been preventing? can you have been preventing? can they have been preventing?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I prevent? can't you prevent? can't he prevent? can't we prevent? can't you prevent? can't they prevent?	can't I be preventing? can't you be preventing? can't he be preventing? can't we be preventing? can't you be preventing? can't they be preventing?
Perfecto	Perfecto con V-ing
can't I have prevented? can't you have prevented? can't he have prevented? can't we have prevented? can't you have prevented? can't they have prevented?	can't I have been preventing? can't you have been preventing? can't he have been preventing? can't we have been preventing? can't you have been preventing? can't they have been preventing?