Diferencias y usos de "until", "till" y "'til" en inglés

Clase 20 de 25Curso de Inglés Intermedio B1: Pronombres y Cláusulas Relativas

Contenido del curso

Essential vocabulary

Resumen

Understanding the difference between until, till, and 'til can save you from common spelling mistakes and help you choose the right register for every situation. These three forms share the same meaning, but their usage depends on formality and context.

What is the origin of till and until?

Contrary to popular belief, till (T-I-L-L) is not a contraction or slang version of until [0:43]. It is actually an older form of the word — essentially the linguistic ancestor of until. The word has evolved throughout the years, and nowadays until is the standard and most common form. However, till with two Ls remains a valid, if somewhat old-fashioned, option.

This distinction matters because many people online still debate the origins and correct usage of both words. The key takeaway is simple: till came first, and until developed from it over time.

How do you spell the informal version correctly?

Here is where most mistakes happen. There is an informal contraction spelled with an apostrophe and only one L: 'til [1:52]. Many writers incorrectly place an apostrophe before till with two Ls, but that form does not exist.

  • 'til (apostrophe + T-I-L): informal contraction, suitable for text messages and casual conversations.
  • till (T-I-L-L, no apostrophe): old version of until, correct but old-fashioned.
  • until: the standard, most widely accepted form.

The pronunciation of all three is essentially identical [2:32]. You cannot hear the difference in spoken English. The distinction only becomes visible — and important — when you write.

When should you use each form?

Choosing the right form depends on your audience and context. If you are giving a presentation or writing a formal document, until is the best choice [2:07]. If you are sending a text to a friend, 'til works perfectly. And if you want to sound deliberately old-fashioned or literary, till with two Ls is an option.

How does until work as a preposition and conjunction?

Until (and its variants) can function in two grammatical roles [3:07]:

As a preposition

When used as a preposition, it introduces a period of time. For example: "We played video games until midnight" [3:17]. You could also say "We played video games 'til midnight" in a casual setting.

As a conjunction

When used as a conjunction, it connects two clauses. For example: "I waited until I got your call" [3:37]. Again, you could replace it with 'til depending on how formal you want to sound.

In fast, fluent speech, speakers tend to gravitate toward the shorter contraction naturally [3:52].

Can you spot the true and false statements?

A quick review of the most important points:

  • "'Til is more formal than until" — false. It is actually the opposite; 'til is the informal version [4:30].
  • "Till with two Ls is a short form of until" — false. It is not a short form but an older version of the word [4:43].
  • "Until and till mean the same" — true. Regardless of context or spelling, the meaning is exactly the same [4:54].

The real challenge with these words is not meaning but spelling. Remember: apostrophe goes only with one L, and two Ls never take an apostrophe. Share your thoughts and any questions in the comments — which version do you use most often?

      Diferencias y usos de "until", "till" y "'til" en inglés