Always remember the objective of any moves you do

It's very easy, especially in line drills, to get into the habit of throwing your arms and legs out aimlessly. You're doing the right moves, but you have no specific target in mind. You train yourself how to perform moves, but you don't teach yourself to do them accurately or with control. Control should be one of your highest priorities when training, for without it how can you choose when to strike hard or when to strike softly?

When performing line drills, imagine an opponent in front of you who is your size, then aim for points on their imaginary body. If you're performing head punches, decide whether you're targeting the nose, the jaw or the throat. Now aim for that point with every punch. Your objective should be to land each punch in exactly the same place.

For further challenge, set a range which is not at the limits of your reach, and try to land your blows there. This is a great technique that will greatly aid your sparring, enabling you to pull your blows short should your training partner unexpectedly move forwards whilst you're mid-strike.

When performing kata, keep in mind the bunkai (imaginary story line) of the moves you're performing, and do them as you think you would in that situation. Nothing is worse than watching a kata performed half-heartedly or too slowly to be effective.