関係代名詞 主―所―目
人 who―whose―whom
物 which―whose―which
that―×―that
what＝the thing which
what you call いわゆる
what is called いわゆる
what is more さらに
what I am 今の私
was 昔
used to 昔
制限用法
I have two sons who became doctors.
息子は最低でも二人
I have two sons, who became doctors.
息子は二人しかいない
I'm good at swimming.
×I'm good at to swim.
outsmart 裏をかく
flaw 欠陥
impoverish 貧乏にさせる
curb 抑制する
rampant 蔓延る
peer 同級生
pneumonia 肺炎
chip away at けずる
surveilance 監視
shipping 海運業
multiethnic 多民族の
turn A into B ＡをＢに変える
transform O from A into B ＡをＢに変える
The man who transformed Singapore from a colonial trading port into a rich and thriving city-state has died.