Grade 9 · lesson 2 of 4

Make a Complete Plural Noun Group

A plural changes the noun and its agreeing article.

About 20 minutes, plus any extended practice

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Supplied materials

  • Paper or a browser scratch area; no audio recording, account or private information is needed.
  • Convert the entire supplied singular group “el libro” to plural. Which offered group changes both article and noun correctly? Candidate answers: (A) el libro (B) el libros (C) los libro (D) los libros.
  • Convert the entire supplied singular group “la mesa” to plural. Which offered group changes both article and noun correctly? Candidate answers: (A) la mesa (B) la mesas (C) las mesa (D) las mesas.

Learn the idea

Articles and adjectives carry grammatical gender and number. Use the supplied noun labels and referents to build complete noun groups; grammatical gender is a property of a word rather than a judgment about a person. A plural changes the noun and its agreeing article. In these examples a final vowel takes s, many final consonants take es, and final z changes to c before es. Accent spelling may change to preserve stress.

Convert el to los or la to las. Then use the supplied spelling patterns to pluralize the noun. Check both parts together: los libros, las ciudades and los lápices each signal plural consistently.

Do not leave a singular article with a plural noun. Países retains its accent, while lápices uses c for the original z. This lesson provides common examples rather than a claim that every Spanish plural follows one rule.

  1. Copy the supplied example and underline its speaker, noun, time cue or evidence words.
  2. Apply the shown language rule; keep any required ending, accent or paired punctuation.
  3. Solve the changed independent check, then explain why one offered alternative fails.
  4. Complete all three new practice cases and use the model to correct the precise word or meaning.
Worked example

See the method in action

Supplied case: Convert the entire supplied singular group “el libro” to plural. Which offered group changes both article and noun correctly? Candidate answers: (A) el libro (B) el libros (C) los libro (D) los libros. Solution: The plural article is los, and the plural noun is libros. Therefore the whole group is los libros. Changing only one part leaves article and noun disagreeing. Final result: los libros. Do not leave a singular article with a plural noun. Países retains its accent, while lápices uses c for the original z. This lesson provides common examples rather than a claim that every Spanish plural follows one rule.

Your turn

Check your reasoning

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Helpful tips
  • Convert el to los or la to las.
  • Do not leave a singular article with a plural noun.
Convert the entire supplied singular group “la mesa” to plural. Which offered group changes both article and noun correctly?

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See the answer and explanation

las mesas

The plural article is las, and the plural noun is mesas. Therefore the whole group is las mesas. Changing only one part leaves article and noun disagreeing.

Take it further

Convert the entire supplied singular group “la flor” to plural. Which offered group changes both article and noun correctly? Candidate answers: (A) la flor (B) la flores (C) las flor (D) las flores. Expected result: las flores. The plural article is las, and the plural noun is flores. Therefore the whole group is las flores. Changing only one part leaves article and noun disagreeing.

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More practice: try new cases

Choose an answer for each problem. Explain your method on paper, then use the feedback to decide what to revisit.

More practice: try new cases
1. Convert the entire supplied singular group “el papel” to plural. Which offered group changes both article and noun correctly?
Need a hint?
  • Convert el to los or la to las.
  • Do not leave a singular article with a plural noun.
2. Convert the entire supplied singular group “la ciudad” to plural. Which offered group changes both article and noun correctly?
Need a hint?
  • Convert el to los or la to las.
  • Do not leave a singular article with a plural noun.
3. Convert the entire supplied singular group “el lápiz” to plural. Which offered group changes both article and noun correctly?
Need a hint?
  • Convert el to los or la to las.
  • Do not leave a singular article with a plural noun.

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