In this blog, we shall look at the various methods applied for the conversion of a simple sentence into a complex sentences. The following examples have been taken from the english language textbook prescribed for ISC students studying in class 11. Use these as practice and climb your stepping stones to better grammar. A simple sentence can be changed into a complex sentence by expanding a word or a phrase into a subordinate clause. This clause may be a noun clause, an adjective clause or an adverb clause. A subordinate clause is a clause, typically introduced by a conjunction, that forms part of and is dependent on a main clause (e.g. ‘when it rang’ in ‘she answered the phone when it rang’). Noun Clause A noun clause is a dependent clause that acts as a noun . Noun clauses begin with words such as how, that, what, whatever, when, where, whether, which, whichever, who, whoever, whom, whomever, and why. Noun clauses ca...