Which statement applies the level rules correctly?

Conditional Sentences with إِذَا and لَوْ

• إِذَا always describes an unreal past condition.
• Every answer to لَوْ must begin with لَـ.
• A past verb receives a new jussive ending in a condition.
• إِذَا may use past forms for expected time, while لَوْ here describes an unfulfilled past condition.