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Complex and compound-complex sentences

Writing complex sentences that contain a noun clause

  • They begin with that, if, or a wh- word (what, when, why, who, whom, whose, where, how, which).
  • When they function as a subject, the verb of the independent clause must be in the singular.
  • They are commonly used after reporting verbs.
  • They follow expressions like: ‘the effect / the reason / the idea that…’.

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