Anglican church services are congregational. In the pews, you will find the Book of Common Prayer, the use of which enables the congregation to share fully in every service. The large print is the actual service. The smaller print gives direction to ministers and people for conduct of the service.
You may wonder when to stand or kneel. Practices vary - even among individual Anglicans.
The general rule is to stand to sing - hymns (found in the Hymnal in the pews) and other songs (many of them from the Holy Bible) called canticles or chants and printed as part of the service. We stand, too, to say our affirmation of faith, the Creed; and for the reading of the Gospel in the Holy Eucharist. Psalms are sung or said sitting or standing. We sit during readings from the Old Testament or New Testament Letters, the sermon, and the choir anthems. We stand or kneel for prayer to show our gratefulness to God for accepting us as children or as an act of humility before God.