5 Examples of Conditional Sentences If clauses are conditional statements. In some cases, they are divided into type 0, type1, type2 and type3. The characteristic that distinguishes these types is time differences. Sentences of type 0, consist of two clauses. One of them is the basic sentence and the other is the condition sentence. The basic sentence refer to the action that can occur when the condition is fulfilled. That’s mean it expresses the result. Starting a sentence with a basic sentence does not change the meaning. We express events with type 1 (if clause) at the moment or in the