Khan Academy
Khan Academy: Meet the Apostrophe
Self-checking quiz tests understanding of apostrophes. Immediate feedback is given and hints or a video are available if needed.
Grammarly
Grammarly Blog: Correlative Conjunctions
This Grammarly Handbook resource clarifies how to use correlative conjunctions correctly in sentences. Numerous examples are provided in this resource.
Grammarly
Grammarly Blog: Parallelism With Either, Or
An explanation and examples of using parallel structure with the correlative conjunction either or.
Other
The Punctuation Guide: Commas in Dates
Gives a clear explanation, with examples, about how and when to use commas when writing dates.
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