Compound-complex sentence, visited on 16 September 2015, from http://www.learnamericanenglishonline.com/Orange%20Level/O5%20Compound-Complex%20Sentences.html
Engish Composition 1, visited on 15 September 2015, from http://www2.ivcc.edu/rambo/eng1001/sentences.htm
is made up of one main/independent clause and two or more subordinate/ dependent clauses joined together by:
Subordinate conjunctions= because, if, since, that, until, unless, although, so that, even though, before, after, when, in order that, as far as, as long as, as if
Relative pronouns= who, that, which, whom, whose
Relative adverbs= therefore, whenever, why, when, where
For example:
If you work hard, you will pass the exam.
We did not know that he had won the race.
They caught the man who stole the goat.
Students whose marks are high will be selected for the course.
When he went to KL, he bought a car which was imported from Japan.