“To be honest…” is used at the beginning of a sentence to show that the speaker is going to say something very truthful or slightly uncomfortable. People often use it before giving a real opinion, politely disagreeing, or admitting something they would not usually say directly. It helps prepare the listener for honesty while keeping the tone polite. For example, at work a boss may ask an employee about a report. If the employee has not started it, he or she might say, “To be honest, Mike, I haven’t started it yet. I’m really sorry.” 

"To be inclined to…” or “to be more inclined to …” is used to describe what someone usually prefers to do or what they are more likely to choose, rather than a firm decision. People use it to talk about habits, personal preferences, or typical behaviour in a calm and neutral way. It is often used when explaining choices or reasons, especially in work or formal situations. For example, an employee might say, “I’m more inclined to work in the morning, when I can concentrate better.