Question 1: Hundai is only having trouble with one of their new models.

Your answer: Hyundai is only having trouble with one of its new models.

Question 2: He claimed he knows a star athelete who will sign with the company.

Your answer: He said he knew a star athlete who would sign with the company.

Question 3: Travelling across India, it's vastness effected him.

Your answer: Traveling across India, he was affected by its vastness.

Question 4: Like I said, he should be like I and do like I do.

Your answer: As I said, he should be like me and do as I do.

Question 5: The war hero was presented with a gallantry award by the President.

Your answer: The war hero received a gallantry award from the President.