`-` It was not until the car turned on its headlights that I noticed it.

`->` It was not until + S + Ved + that + S + Ved : Mãi cho đến khi

`->` Mãi cho đến khi xe ô tô đó bật đèn pha tôi mới nhận ra nó.

βꭺᗝᰔ﹏

It was until it turned on its headlights that I noticed the car.

$-$ S $+$ tobe (NOT) $+$ until it $+$ Ved/c2 that $+$ S $+$ Ved/c2

$=$ S $+$ Ved/c2 $+$ until $+$ S $+$ Ved/c2

`***` until : đến khi

$+$ Mãi cho đến khi nó bật đèn pha lên thì tôi mới chú ý đến chiếc xe.

$\color{#00FFFF}{\text{#}}$$\color{#CCFF99}{\text{ᗩ}}$$\color{#99FF99}{\text{ꮮ}}$$\color{#33FF99}{\text{ꮖ}}$$\color{#00FF99}{\text{ꮑ}}$$\color{#99FFCC}{\text{ꭺ}}$$\color{#66FFCC}{\text{ꭺ}}$$\color{#00FF33}{\text{ꭺ}}$$\color{#00FFCC}{\text{ꭺ}}$$\color{#00FFFF}{\text{ꭺ}}$⭐