§ 523. Sometimes subordination and coordination may be combined within one sentence, in which case we may have compound-complex and complex-compound sentences.
1 See M. Ganshma, N. Vasilevskaya, op. cit., p. 321.
A compound-complex sentence is essentially a compound sentence in which at least one coordinate clause is complex in structure.
/ know that she loathes me, but I'll make her love me. (Gray).
If a complex sentence has two (or more) subordinate clauses "connected by way of coordination, we have a complex-compound sentence, as in
He told me I could see for myself he wasn't very young and his health wasn't very good. (Gilbert).