Once he started talking, he spoke in full, complex sentences.
Whisper a complex sentence to one, who then whispers the same message to the next, and so on.
Research upon conversation links it to the capacity for long and complex spoken sentences.
For young toddlers, their complex sentences are little more than mimicry.
To form more complex sentences, members of the different classes are combined.
Interjections like these can be helpful for saving time and making complex sentences very simple.
Would you rather not see complex sentences or interesting observations in writing about pop music?
With longer efforts, she was able to produce more complex sentences.
Furthermore, it is common to find long complex sentences entirely in the subjunctive.
He appeared to lack the breath for complex sentences.