Viết lại các câu sau

1 Without Yeri's help , i wouldn't have seen able to move the table
-> If
2 He would have lent you his car if you'd asked him
-> had
3 You don't change your mind so you are not welcomed to join us 
-> If
4 they are having a row because she borrowed his tennis racket and lost it 
-> if
5 unless you save some money , you will never be able to buy a car 
-> if