Al-Ikhlas · 112:1

قُلْ هُوَ اللّٰهُ اَحَدٌۚ

Say, ‘He is God the One

قُلْ
qul

The coloured letters are the root — the meaning core. The rest are prefixes, vowels and the pattern. Learn to spot them and you can find the root in a word you've never seen.

Meaning
Say
Part of speech
Verb (فعل)
Root meaning
The root ق و ل (qawala) primarily means "to say." It can also mean to assert belief, make a sign with a body part, or even to lie.
Dictionary form
قَالَ
Verb form
Form I (فَعَلَ)
Tense
Imperative
Voice
Active
Mood
Imperative
Person
You (2ms)
Role
Imperative addressed to the Prophet
Case
Imperative (ends in sukūn)
Grammar
A command, ‘say’. Who is addressed (you, the Prophet) is carried by the form. The hollow root’s middle ‘w’ (qawala) drops in the imperative, shortening it to qul; it ends in sukūn.
Conjugation

In the present, the prefix carries the subject (I / we / you / he) — no separate pronoun.