Effective vs It only has to work once

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

Effective

Top 1000 (muito comum)B1adjective

It only has to work once

Top 5000 (bastante comum)
Mais comum: Effective
 EffectiveIt only has to work once
Pronúncia🇬🇧 /["/ɪˈfektɪv/"]/🇺🇸 /["/ɪˈfektɪv/"]/🇬🇧 //ɪt ˈoʊnli hæz tə wɜːrk wʌns//🇺🇸 //ɪt ˈoʊnli hæz tə wɜrk wʌns//
SignificadoWorks well or gets good results.It needs to function a single time.
ExemploThe training program was very effective in improving employee skills.In this case, it only has to work once to complete the task successfully.
RegistroNeutroNeutro
Quão comumTop 1000 (muito comum)Top 5000 (bastante comum)
Nível CEFRB1-
Classe gramaticaladjective
Colocaçõesbe, look, prove, extremely, fairly, very, at, in, be, become, remain, fully, partially, directlywork once, has to work, only has to
Antônimosineffective, unproductive, useless-
Erros comuns'Effective' is often confused with 'efficient', which means doing something in a good way without wasting time., Learners sometimes use 'effectively' when 'effective' is needed, which is a different grammatical form., Some people mistakenly use 'effective' as a noun, but it's an adjective.Misunderstanding the context, thinking it means multiple times., Confusing it with similar phrases that imply reliability over time.
Notas de usoUse 'effective' when describing something that produces the desired outcome. It's suitable for both written and spoken contexts but avoid using it in overly casual settings.Used to indicate that something doesn't need to repeat; often in casual conversation or technical contexts.

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It only has to work once

Perguntas frequentes: Effective vs It only has to work once

Qual é a diferença entre Effective e It only has to work once?

Effective: Works well or gets good results. It only has to work once: It needs to function a single time.

Qual é mais comum: Effective e It only has to work once?

Effective é a mais comum no inglês do dia a dia.

Pode mostrar um exemplo de cada?

Effective: The training program was very effective in improving employee skills. It only has to work once: In this case, it only has to work once to complete the task successfully.

Posso usar Effective e It only has to work once de forma intercambiável?

Nem sempre. Effective e It only has to work once 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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