ほど

Particle (Intermediate ㊥ 57)

A particle which indicates the extent or the degree to which someone/something does something or is in some state.

Equivalent: The ~, the ~; as; to the extent

この音楽は舞台に近いほど聞きやすい。
The closer (you sit) to the stage, the easier this music is to hear.
上空に行くほど酸素が薄くなる。
Oxygen is less dense at higher altitudes. (literally: Oxygen becomes thinner as you go higher / the extent to which you go higher in the air.)
私は難しい仕事ほどやる気が出てくる。
I get more motivated by a harder job.
子供は小言を言うほど反発するものだ。
The more you nag children, the more they disobey you.
私は静かなほど落ち着かない。
The quieter it is, the more uneasy I feel.
駅に近くなるほど家賃が高くなる。
The closer to the station, the higher the rent.
運動するほど体の調子が変になる。
The more I exercise, the worse I feel.
元気な人ほど無理をしがちだ。
Stronger people tend to strain themselves more.
あまり働かない者ほど不平が多い。
Lazier people complain more.

Formation

(i) {V/Adjective い}informal nonpast ほど  
  勉強するほど The more someone studies
  高いほど The more expensive something is
(ii) Adjective な stem {な/である} ほど  
  便利{な/である} ほど The more convenient something is
(iii) Relative Clause+Noun ほど  
  考え方が論理的な人ほど The more logical a person’s way of thinking is
  よく勉強する学生ほど A student who studies harder; the harder a student studies

Notes