... d. Variations of second conditional sentences 2.2.2 Unreal conditionals in the past a. Definition b. Form c. Use d. Variations of third conditional sentences 2.2.3 Mixed conditionals a. ... business. II. Conditional sentences 1. Definition of conditional sentences Much effort has been devoted to finding a clear definition of English conditional sentences. In fact, conditional sentences ... Definition b. Form c. Use 2.3 Implied conditionals 2.4 Short conditionals 2.5 Conditional inversions 2.6 Other conditional words and structures other than "if" 2.6.1. Using other conditional...