Comparison of simple, complex and
compound sentence
 Simple sentence
 Complex sentence
 Compound sentence
Simple sentence
 consists of one clause only
 all sentence elements are expressed by phrases
 He came here after work.
Complex sentence
 consists of one matrix and at least one dependent
clause
 at least one sentence element must be expressed by
a clause
 He came here when he finished his work.
 When he finished his work, he came here.
Compound sentence
 consists of two matrix clauses and any number of
dependent clauses
 He finished his work and (he) came here.
 He finished his work and (he) came here when I
asked him to.