The head가 Interrogative content를 complement로 허용하는지를 판단하여, fused relative와 구분하자.
to put oneself back in the position of [what it was like in 1900 to be a mathematician]
- predicate
- head: to put
- direct object: oneself
- adjunct: back
- object-oriented predicative complement(PP): in the position of what it was like in 1900 to be a mathematician
- head: in
- complement(NP): the position of what it was like in 1900 to be a mathematician
- determiner: the
- head: position
- complement(PP): of what it was like in 1900 to be a mathematician
- head: of
- complement(interrogative clause): what it was like in 1900 to be a mathematician
- predicate: was like what
- predicand(to-infinitival clause): in 1900 to be a mathematician
It had become clear what precisely had to replace the conditions.
- interrogative content clause: what precisely had to replace the conditions
- subject(interrogative pronoun): what
- predicate: precisely had to replace the conditions
I wonder [what books she wrote].
- predicate
- head: wonder
- complement(interrogative clause): she wrote what books
- subject: she
- predicate: wrote what books
- head: wrote
- object(NP): what books
- determiner(interrogative determinative): what
- head: books
I wonder [when he arrived].
- predicate
- head: wonder
- complement(interrogative clause): he arrived when
- subject: he
- predicate: arrived when
- head: arrived
- modifier(interrogative preposition): when
I wonder [why she left].
- predicate
- head: wonder
- complement(interrogative clause): she left why
- subject: she
- predicate: left why
- head: left
- modifier(interrogative adverb): why