erioed / byth

Never: Erioed and Byth

Level 3

Two words for never: erioed looks back (Dw i erioed wedi bod yn Sbaen), and byth is for now, habits and the future (Fydda i byth yn anghofio).

How It Works

Erioed: past and perfect.

  • Dw i erioed wedi bod yn Sbaen. — I've never been to Spain.
  • Dw i ddim wedi dringo'r Wyddfa erioed. — I've never climbed Snowdon. (Erioed can also come at the end, after ddim.)
  • Welais i erioed ffilm mor dda. — I never saw such a good film.
  • Wyt ti wedi bod yn Iwerddon erioed? — Have you ever been to Ireland?

Byth: present, future, habits.

  • Dw i byth yn yfed coffi. — I never drink coffee.
  • Fydda i byth yn anghofio. — I'll never forget.
  • Doedd hi byth yn hwyr. — She was never late.
  • Arhosa i byth yma eto. — I'll never stay here again.

They replace ddim. In Dw i byth yn yfed coffi and Dw i erioed wedi bod, the never word takes the place of ddim.

Ever and for ever. In questions, erioed means ever. Am byth means for ever: Cymru am byth! (Wales for ever!)

See wedi for the perfect and habitual bydd for fydda i byth.

Examples (6)

  1. Dw i erioed wedi bod yn Sbaen.

    I've never been to Spain.

  2. Wyt ti wedi bod yn Iwerddon erioed?

    Have you ever been to Ireland?

    In a question, erioed means ever.

  3. Dw i byth yn yfed coffi.

    I never drink coffee.

  4. Fydda i byth yn anghofio'r diwrnod 'na.

    I'll never forget that day.

  5. Doedd e byth yn hwyr.

    He was never late.

    Doedd (was not) describes how things always were, so it takes byth. South: e. In the North: Doedd o byth yn hwyr.

  6. Welais i erioed ffilm mor dda.

    I never saw such a good film.

    A past event takes erioed. Mor softens da to dda.

Common Mistakes

  • Using erioed for a habit.

    Dw i erioed yn yfed coffi.
    Dw i byth yn yfed coffi.

    For something you never do, use byth. Erioed is for the past and the perfect.

How It Connects

Tap a pattern to see what it builds on and what it leads to.

erioed / bythLevel 3Never: Erioed and Byth

Learn This First

Erioed goes with the perfect, byth with present and future.

Words in This Pattern

erioedbyth