A OR THE? EXERCISE 2 (ESL)

A1–A2 · Beginner

This second exercise in the a vs. the series introduces slightly trickier contexts: superlatives, the second-mention rule, and nouns identified by a relative clause or shared context. If you are new to this topic, start with exercise 1 first. Need a refresher? Review the grammar ↓

Grammar review A vs the — specific cases to know

Once you know the basic rule (a for something new or general, the for something specific or already known), the next step is learning a few patterns that come up all the time.

Second mention rule:
When you mention something for the first time, use a. When you refer to it again, use the:
“I bought a lamp yesterday. The lamp is bright blue.”

Superlatives always take the:
“He is the tallest player on the team.”
“This is the quietest street in town.”

Unique or shared knowledge:
When there’s only one, or when context makes it clear which one is meant:
“Can you turn off the light?” (there's only one light in the room)
“The man at the front desk gave me the keys.” (a specific, identified person)

Introducing something with a:
Use a any time you're mentioning something for the first time, or it isn't specific:
“I saw a strange bird in the garden.” “There's a café on that corner.”