conditional sentence type 2Structure and Grammar of the Second Conditional Conditional Sentences Type 2 Illustration. Here is the form of conditional sentences type 2: If + Past Simple, would + base verb. If Clause Then Clause; If she were rich, she wouldThe second conditional uses the past simple after if, then 'would' and the infinitive. (We can use 'were' instead of 'was' with 'I' and 'hesheit'.