Conjugação do verbo inglês
CAN PRECAUTION

Verbo regular: precaution - precautioned - precautioned

Afirmação

Forma simple	Forma com V-ing
I can precaution you can precaution he can precaution we can precaution you can precaution they can precaution	I can be precautioning you can be precautioning he can be precautioning we can be precautioning you can be precautioning they can be precautioning
Perfeito	Perfeito com V-ing
I can have precautioned you can have precautioned he can have precautioned we can have precautioned you can have precautioned they can have precautioned	I can have been precautioning you can have been precautioning he can have been precautioning we can have been precautioning you can have been precautioning they can have been precautioning

Negação

Forma simple	Forma com V-ing
I cannot precaution you cannot precaution he cannot precaution we cannot precaution you cannot precaution they cannot precaution	I cannot be precautioning you cannot be precautioning he cannot be precautioning we cannot be precautioning you cannot be precautioning they cannot be precautioning
Perfeito	Perfeito com V-ing
I cannot have precautioned you cannot have precautioned he cannot have precautioned we cannot have precautioned you cannot have precautioned they cannot have precautioned	I cannot have been precautioning you cannot have been precautioning he cannot have been precautioning we cannot have been precautioning you cannot have been precautioning they cannot have been precautioning

Forma interrogativa

Forma simple	Forma com V-ing
can I precaution? can you precaution? can he precaution? can we precaution? can you precaution? can they precaution?	can I be precautioning? can you be precautioning? can he be precautioning? can we be precautioning? can you be precautioning? can they be precautioning?
Perfeito	Perfeito com V-ing
can I have precautioned? can you have precautioned? can he have precautioned? can we have precautioned? can you have precautioned? can they have precautioned?	can I have been precautioning? can you have been precautioning? can he have been precautioning? can we have been precautioning? can you have been precautioning? can they have been precautioning?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not precaution? can you not precaution? can he not precaution? can we not precaution? can you not precaution? can they not precaution?	can I not be precautioning? can you not be precautioning? can he not be precautioning? can we not be precautioning? can you not be precautioning? can they not be precautioning?
Perfeito	Perfeito com V-ing
can I not have precautioned? can you not have precautioned? can he not have precautioned? can we not have precautioned? can you not have precautioned? can they not have precautioned?	can I not have been precautioning? can you not have been precautioning? can he not have been precautioning? can we not have been precautioning? can you not have been precautioning? can they not have been precautioning?