What is this lesson about? This third conditionals ESL lesson plan is designed for intermediate learners (B1–B2) who want to practise imagining different past situations and their possible outcomes. Using a health and wellbeing theme, students learn the structure If + past perfect, would have + past participle and use it to talk about regrets, missed opportunities, and better choices.

How do students learn the new language?

Learners progress through a practical, step-by-step sequence:

• Grammar presentation with clear rules, structure, and examples.

• Gap-fill practice to reinforce accuracy with verbs.

• Sentence-writing tasks to build natural use of third conditionals.

• Reading activity (A Healthy Regret) with comprehension and conditional rewriting.

• Speaking practice using third conditionals to reflect on personal health and lifestyle choices.

  
  

Why is this lesson useful?

By the end of the session, students can:

• Accurately form third conditional sentences.

• Use conditionals to reflect on past choices and outcomes.

• Improve fluency by discussing personal experiences with natural grammar.

• Apply grammar to meaningful, real-world topics like health and wellbeing.

  
  

Who is it for?

This third conditionals ESL lesson plan is ideal for B1–B2 adult learners. It’s especially useful for teachers who want to combine grammar practice with reflection and conversation, making lessons more engaging and memorable.