If we superimpose the relativized determiner whose on these. there are at least 40 different types. Learners clearly face formidable challenges of from when trying to master relative clauses: where to place the relative clause in relative to on the head noun, which relative pronoun to choose, the internal structure of relative clauses. and so on . However, the studies on use that we have reported above strongly suggest that instead of trying to teach all possible patterns for relative clauses we would do well to discourse in English. Carrying our a relevant corpus-based study of relative clauses that would reveal syntactic, lexical,and discourages-functional patterns such as those that Fox and Thompson (1990)