He thinks it is right for him to write...

He thinks it is right for him to write to step down with immediate effect.

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- He thinks it is right for him to write to step down with immediate effect - main clause;

- thinks it is right for him to write to step down with immediate effect - predicate (VP);

- thinks - predicator (the head of the VP);

- it is right for him to write to step down with immediate effect - content clause (complement of the predicator thinks) where:

- it - a subject (a dummy one/pronoun);

- is right for him to write to step down with immediate effect - predicate (VP - headed by the verb is);

- right for him to write to step down with immediate effect - predicative complement (AdjP - headed by the adjective right);

- for him to write to step down with immediate effect - complement in the AdjP (PP - headed by the preposition for);

- him to write to step down with immediate effect - complement in the PP (non-finite infinitive clause).

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Is my parsing correct?