And if Christ has not been raised, your faith is futile; you are still in your sins.
Cross References
Romans 4:25He was delivered over to death for our trespasses and was raised to life for our justification.
1 Corinthians 15:16For if the dead are not raised, then not even Christ has been raised.
 Treasury of Scripture
And if Christ be not raised, your faith is vain; you are yet in your sins.
your.
1 Corinthians 15:2,14
 By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain… 
Romans 4:25
 Who was delivered for our offences, and was raised again for our justification.
ye are.
Ezekiel 33:10
 Therefore, O thou son of man, speak unto the house of Israel; Thus ye speak, saying, If our transgressions and our sins be upon us, and we pine away in them, how should we then live?
John 8:21-24
 Then said Jesus again unto them, I go my way, and ye shall seek me, and shall die in your sins: whither I go, ye cannot come… 
Acts 5:31
 Him hath God exalted with his right hand to be a Prince and a Saviour, for to give repentance to Israel, and forgiveness of sins.