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      Homework disaster: -ar infinitives and 3rd person singular

      Lesson details

      Learning outcome

      I can use the infinitive and 3rd person singular forms of regular -ar verbs

      Vocabulary and transcripts for this lessons

      Key learning points

      1. The Spanish sounds [cue], [cua] and [cui] are pronounced as in 'cuerpo', 'cuatro' and 'cuidar'.
      2. The masculine and feminine singular indefinite articles in Spanish are 'un' and 'una'. They mean 'a' or 'an'.
      3. Infinitives give the general meaning of a verb.
      4. Regular infinitive verbs ending in -ar change to -a in the 3rd person singular.

      Keywords

      • [cue], [cua] and [cui] - pronounced as in 'cuerpo', 'cuatro' and 'cuidar'

      • Indefinite article - the 'a' or 'an' that comes before a noun (a tree, an elephant)

      • Verb - word that communicates actions or states

      • Infinitive - form of the verb giving its general meaning, with no subject or tense

      • -ar verb - verb whose infinitive form ends in -ar

      Common misconception

      It is necessary to use pronouns before verbs in Spanish to know who is performing an action.

      It is not usually necessary to use pronouns before verbs in Spanish. You can tell who is performing an action by looking at the verb ending.

      Teacher tip

      Some pupils may benefit from having the phrases printed out on pieces of paper. Physically ordering the phrases can make the task more concrete and enable pupils to gain more cognitive control of the new learning.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Nouns in Spanish are either or feminine.

      Correct Answer: masculine

      Q2.
      The indefinite article is the 'a' or 'an' that comes before a ...

      verb
      Correct answer: noun
      connective

      Q3.
      True or false? 'una' means 'a' or 'an' before a feminine noun.

      Correct Answer: true

      Q4.
      Choose the correct translation of 'I have a book'.

      Tengo uno libro.
      Tengo una libro.
      Correct answer: Tengo un libro.

      Q5.
      Match the Spanish and English.

      Correct Answer:barco,boat

      boat

      Correct Answer:gato,cat

      cat

      Correct Answer:libro,book

      book

      Correct Answer:amigo,friend (m)

      friend (m)

      Correct Answer:revista,magazine

      magazine

      Correct Answer:casa,house

      house

      Q6.
      Which verbs are in the 3rd person singular?

      I listen
      Correct answer: she listens
      you listen
      Correct answer: he listens

      6 Questions

      Q1.
      Match the Spanish and English.

      Correct Answer:temprano,early

      early

      Correct Answer:otra vez,again

      again

      Correct Answer:con,with

      with

      Correct Answer:en,in

      in

      Q2.
      An infinitive is a type of ...

      noun
      Correct answer: verb
      adjective

      Q3.
      Which is incorrect?

      Correct answer: un casa
      un amigo
      un barco
      un libro

      Q4.
      Match up the infinitives.

      Correct Answer:bailar,to dance, dancing

      to dance, dancing

      Correct Answer:escuchar,to listen, listening

      to listen, listening

      Correct Answer:comprar,to buy, buying

      to buy, buying

      Correct Answer:hablar,to talk, talking

      to talk, talking

      Correct Answer:llegar,to arrive, arriving

      to arrive, arriving

      Q5.
      How do you say 'listening in class is important' in Spanish?

      1 - escuchar
      2 - en
      3 - clase
      4 - es
      5 - importante

      Q6.
      What does 'llega' mean in English?

      I arrive
      to arrive, arriving
      Correct answer: he arrives
      Correct answer: she arrives
      Correct answer: arrives

      To help you plan your 7 Spanish lesson on: Homework disaster: -ar infinitives and 3rd person singular, download all teaching resources for free and adapt to suit your pupils' needs...