17. The godly remnant of the tribulation has the attributes seen in OT Israel and not the church. The church is not present in the prophecies of Revelation.
18. The pre-trib view, unlike the post-trib view does not confuse terms like elect and saints which apply to believers of all ages, as opposed to terms like church and in Christ, which apply only to those who are the body of Christ in this age.
The Work of the Holy Spirit
19. The Holy Spirit is the Restrainer of evil in the world. He cannot be taken out as prophesied unless the church which is indwelt by the Holy Spirit is taken out.
20. The Holy Spirit will be taken out before the "lawless one" is revealed. That lawless one will certainly be revealed in the tribulation. In fact, the tribulation begins with the signing of the covenant between that lawless one and Israel. That act will reveal him.
21. The "falling away" in 2 Thes 2:3 would better be understood in its context as "the departure." This is a reference to the departure of the Holy Spirit as He indwells the church.
22. The work of the Holy Spirit making the church like Christ where they submit to death and persecution, whereas the OT saints (see many of the Psalms) and the tribulations saints cry out for vengeance (Rev 6:10)