A complex sentence can be converted into a simple sentence by reducing a subordinate clause into a word or a phrase.

Study the following examples.

Combine each of the following sets of simple sentences into one complex sentence.

1. The strike was going to be called off. The leader told me that.

Adjective clauses are usually introduced by the relative pronouns who, which and that.

Study the following example.

The boy was caught. He had stolen the purse.

A simple sentence may be converted into a complex sentence by expanding a word or phrase into a subordinate noun clause, adjective clause or adverb clause.

Study the following examples

Analysis of a complex sentence involves the following steps:

1) Find out the principal or main clause.

2) Find out the subordinate clause or clauses

Forming a complex sentence with a relative adverb

These clauses are usually connected to the main clause by the relative adverbs when, where and why.

A complex sentence has at least one main clause and one or more subordinate clauses. The subordinate clause may be a noun clause, an adjective clause or an adverb clause.