Train yourself to explain the reason behind your statement.
This clearly communicates the expectation and the consequence, without a threat.
Parents tend to want control all of the time, and it takes work to allow kids to have freedom to do what they choose.
You can always rephrase the sentence from a negative to a positive, which will correct the behavior without sounding critical.
Train yourself to say what you want them to do instead of what you don’t. Notice the common element is starting with the word “you” and then acknowledging what they worked at, rather than what you think about it.
Train yourself to acknowledge their behavior without a judgment, such as “You chose to sit the other way on the chair” or “You colored the grass purple instead”.
This gives them the freedom to be creative and discover things without expectations.
We often try to teach lesson to kids about life at the most inappropriate times.
If a child gets hurt because they were doing something dangerous or inappropriate, they already learned their lesson.
So, you can say “Walk, please” instead of “No running”. Children are programmed to question, analyze and wonder about situations.
I have spent a good deal of time on articles on the difference between Praise vs. This can sometimes present itself in an argumentative manner, but this is actually a normal part of development.
First, you are threatening a child, which makes them fearful of you.