Complete the first conditional sentences with the correct forms of the verbs.

Choose the correct option.

Should [I study| study I|I will study] hard, I [pass|will pass|passes] all the exams.

If you [will visit|are going to visit|visits] your grandparents, I [will buy|buy|buys] you a ticket.

If Joseph [have passed|has passed|will pass] his test, he [will be|is|be] accepted in a good university.

Supposing we [will recycle|recycle|recycles] waste, we [can save|will can save|would can save] natural resources.