500
If Zia (work) in class, his English (improve) soon.
When Safiya (come) to class, she (learn) new things.
Eziz (pass) his exam, if he (practice) his English.
Ahmad (have) lunch, after this class (be) over.
works, will improve/ is going to improve
comes, will learn/ is going to learn
will pass/ is going to pass/ practices
will have/ is going to have, is