Ответ:
3. If she move to Brazil, she Will Learn Portuguese
4. They Will miss train If They not leave now
5.If we Win the match on Saturday, we Will be happy
6. If he work Hard, he Will pass his Russian exam
Объяснение: У тебя в первом и втором ошибки, делай по моему примеру
1 conditional делается так
If+Pr. Simple+Will+Infinitive without to