God foreknew his people in Christ. God foreknew us as justified and glorified in Christ. God foreknew our salvation as complete (Philippians 1:6). In Romans 8:28-30, God's purpose in salvation is a prolepsis (i.e., to see before). God foreknew all who shall be in Christ (1 Peter 1:2).
Although God foreknew us in Christ, everyone is commanded to repent and believe the gospel (Luke 13:3, 5; Acts 16:31). The gospel of Christ is offered to all. However, only those who repent and believe on the Lord Jesus Christ will be saved. As believers, we experience the gospel in power with assurance. That is the Holy Spirit working in our hearts (1 Thess. 1:5).
God foreknew us justified by grace through faith in Christ. We are justified through the death of Jesus Christ for our sins. Justification is by faith in the power of his resurrection. Justification means all our sins are taken away through the blood of Jesus (1 John 1:7). God declares us justified by faith in Christ. "It is God who justifies" (Romans 8:33).
God foreknew us glorified in the image or likeness of Christ. Glorification is salvation complete. "We shall be like Him, for we shall see Him as He is" (1 John 3:2). What is future for us as believers is now in the foreknowledge of God. Therefore, God foreknew us as glorified in the very image and likeness of our Lord Jesus Christ.