conditional sentence type 22. If-clause can occur at the beginning or at the end of a sentence. 3. When ‘if-clause’ is at the beginningis normally , there a comma after the if-clause. iv. Draw students’ attention toConditional Sentences Type III. Complete the Conditional Sentences Type III. If we (listen) to the radio, we (hear) the news. If you (switch) on the lhts, you (fall not) over the chair.