3 Find and correct the mistakes. Three of the sentences are correct. 1 The foreign language which I like best is French. 6 7 2 David Crystal is the linguist who he wrote some…

Here are corrected versions of the five sentences (keeping to standard grammar for restrictive relative clauses):

1. The foreign language that I like best is French.
2. David Crystal is the linguist who wrote some fascinating books about the English language.
3. Can you tell me the name of your friend whom I met?
4. This is the list of verbs that you need to revise.
5. He made a strange gesture that I didn't understand.

Notes:

• Relative clauses referring to things (not people) use that/which; for restrictive clauses, that is common.
• For sentence 3, whom is the formal object pronoun after a preposition (met).
• You can also omit the relative pronoun in 1: “The foreign language I like best is French.”