Against vs On

Quando usar cada um em inglês, com significado, registro e exemplos.

Against

Top 1000 (muito comum)A2preposition

On

Bloco de alta frequênciaA1preposition
 AgainstOn
Pronúncia🇬🇧 /["/əˈɡenst//əˈɡeɪnst/"]/🇺🇸 /["/əˈɡenst//əˈɡeɪnst/"]/🇬🇧 /["/ɒn/"]/🇺🇸 /["/ɑːn/"]/
SignificadoIn opposition to something.A word used to indicate a position or time.
ExemploHe stood against the wall and waited for his friend.The book is on the table.
RegistroNeutroNeutro
Quão comumTop 1000 (muito comum)Bloco de alta frequência
Nível CEFRA2A1
Classe gramaticalprepositionpreposition
Colocaçõesagainst the law, against all odds, fight against, stand againston time, on the table, on the floor, put on, turn on
Antônimosfor, in favor ofoff, out, under
Erros comunsConfused with 'versus', which has a different nuance., Incorrect use of 'against' with non-physical opposition., Missing preposition when used in phrases.Confused with 'in' (e.g., saying 'The cat is in the roof')., Using 'on' instead of 'at' for specific times (e.g., saying 'We will meet on 5 PM').
Notas de usoUse 'against' when discussing opposition or resistance. It is appropriate in both formal and informal contexts, but can sound aggressive if used in sensitive discussions.Used to specify location (e.g., 'The book is on the table') or time (e.g., 'We meet on Monday'). It's not used for 'in' or 'at' when describing other locations or times.

Perguntas frequentes: Against vs On

Qual é a diferença entre Against e On?

Against: In opposition to something. On: A word used to indicate a position or time.

Against e On estão no mesmo nível CEFR?

Against: A2, On: A1 na escala CEFR.

Posso usar Against e On de forma intercambiável?

Nem sempre. Against e On são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.

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