"explain the three phases of the instructional process, which phase do you think is most important? why? "

Instructional process in teaching refers to the instructional models that facilitates learning process. It consists of three phases of instruction:
1. Phase I (Pre-learning session): This includes the planning of a lesson and the activities that a teacher performs before teaching the class.
2. Phase II (Learning session): It involves the actual teaching process where the teacher delivers the lecture. It is a complex process of all the phases.
3. Phase III (Post learning session): It includes the post-teaching stage where the teacher evaluates the whether the students have learned the lesson or not and are able to solve the problems related to the lesson or not.

Out of these three phases, the most important phase is the learning phase. If the students understand the lesson in the learning phase, they will be able to get the clear concept of the lesson and they will be able to answer the problems properly.