Meaning
The reason for which something happens; introduces an explanation.
Primary Function
Noun clause colligation for causation
Communicative Purpose
To introduce an explanation
Pattern
the reason why; is that
Core Structure
the reason why; is that
Função primária
Noun clause colligation for causation
Propósito comunicativo
To introduce an explanation
Situações de gatilho
Explanations, justifications, everyday speech
Contextos
Everyday, academic, professional
Padrão
the reason why; is that
Estrutura central
the reason why; is that
Slots de substituição
a clause that explains the cause or justification
Colocados típicos
- is that
- may be
- for
- understand
Substituições comuns
- why
- because
Erros comuns
Using 'because' after 'reason why', which is redundant and considered incorrect in formal usage.
Similar / contraste
the reason that, the reason for, the reason why not
Interferências
Learners may produce redundant expressions like 'the reason why is because' due to L1 transfer.
Família do chunk
- the reason why
- the reason that
- the reason for
Nuance
Slightly redundant but widely accepted in spoken and written English.
Efeito pragmático
Signals that the speaker is about to explain the cause or justification for something.
Dica de memória
reason why = reason for
Nota
Used to introduce a clause explaining the reason for something.
Upgrade path
the reason for
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