4.Sentence Expansion For the sake of writing good English,a short and simple sentence sometimes can be expanded by adding to it (1)a modifier; (2)a parenthesis; (3)an apposition (4)a compound sentence,thus making it a complexone (5)a complex sentence,thus making it a compound-complex one. Writing ClassWriting Class 4. Sentence Expansion For the sake of writing good English, a short and simple sentence sometimes can be expanded by adding to it (1) a modifier; (2) a parenthesis; (3) an apposition； (4) a compound sentence, thus making it a complex one； (5) a complex sentence, thus making it a compound-complex one