An essential relative clause provides necessary, defining information about the noun. On the other hand, non‐ essential relative clauses provide additional, non‐necessary information about the noun.

For each pair of sentences below, think about ways of combining the two sentences into one new sentence containing a “restrictive relative clause.” Recall that a restrictive relative clause, which is ...

When do I put a comma before but and when do I not have to put a comma before but? What about a comma after but? Songul Kosker and Kazim Cakmak from Turkey write: Hi! Your web site is great. We're ...