We

Pronoun

  were

Auxiliary

  only

Adverb

  half

Determiner

  a

Determiner

  mile

Noun

  from

Adposition

  the

Determiner

  destination

Noun

  when

Adverb

  the

Determiner

  engine

Noun

  packed in

.

We were only half a mile from the destination when the engine packed in.

We were only half a mile from the destination when the engine packed in.