If i didn't feel so tired, i (go) out with you

1.if i didn't feel so tired, i (go) out with you
2.if you (not pass) the exam, would you take it again ?
3.if i (be) you, i would appy for the job 
4.i could repair the car if i (have) a right tools
5.if i (study) hard, i would have passed the exam