Is Lice Plural or Singular? Understanding the Term’s Grammatical Number
Compare louse and lice when talking about one or more of these insects.
A2 Grammar
A2 · GRAMMAR
Past tenses and irregular verbs — the heart of A2 grammar.
In this section
Criteria Singular or Plural: Understanding Grammatical Number
Compare criterion and criteria when talking about standards or requirements.
Is It a Lot, Allot, or Alot: Understanding the Differences
Compare a lot, allot and the misspelling alot.
How to Use an Ellipsis: Rules for Applying Ellipses in Writing
Explore how three dots can show omitted words or an unfinished thought.
