Preposições - Preposições de Modo e Meio

used to indicate the means of doing or achieving something

por

used to indicate the language or means of communication

em

used to indicate the manner or way of doing something

como

used to indicate the way in which something happened

por

used to specify the medium through which something is transmitted, broadcast, or presented

em

used to indicate the means or method through which an action is performed, a result is achieved, or a process is carried out

através de

used to indicate a position where someone is sitting or standing with a leg on each side of an object

a cavalo

used to indicate the means or method employed to accomplish a particular action or goal

com

used to indicate not having or being deprived of a particular element

sem

through a particular method, route, or means

por meio de

by using or with the help of something

por meio de

through the force, effort, or influence of someone or something

por meio de

used to indicate that something or someone moves or travels by passing through a place on the way to another

via