CEFR C1 · 60 minutes · Teenagers and adults
Procedure: Complex Prepositions, step by step
Warm-up5 minutes · Pairs, then whole class
Aim: To raise awareness of formal language.
Give out Handout 1. Pairs match the informal sentences to the formal versions (3 minutes).
Check. Ask: "What makes the formal versions formal?" Accept ideas.
Presentation20 minutes · Individual, groups, whole class
Aim: To present complex prepositions and formal prepositional phrases in a model report and clarify their meaning and grammar.
Part A: Reading (5 minutes)
Give out Handout 2. Say: "Read the report. What are the main problems with the canteen? What does the council recommend?"
Pairs compare answers.
Part B: Analysis (7 minutes)
Say: "Find the complex prepositions and put them in the table by function."
ICQs: "How many functions?" (Five columns.) "Alone or in groups?" (Groups.)
Monitor and help.
Part C: Clarification (8 minutes)
Feedback. Build the functions on the left of the board.
Phrase vs clause. Board Due to it was raining ✗. Ask: "What's wrong?" Elicit: complex prepositions take a noun or -ing; clauses need because / although or the fact that.
Show formal relative clauses: the man I wrote to → the man to whom I wrote.
Highlight formal phrases from the report: under review, at stake, with a view to + -ing.
Controlled practice10 minutes · Individual, then pairs, then whole class
Aim: To practise the forms accurately.
Give out Handout 3. Say: "Exercise A: rewrite using the phrase in brackets. Six minutes."
Pairs check. Feedback as a class.
Exercise B: pairs rewrite the informal paragraph formally. One pair reads theirs aloud.
Freer practice18 minutes · Groups of three, then whole class
Aim: To write a formal report using complex prepositions accurately.
Give out Handout 4. Say: "You are the student council. Write a formal report (about 200 words) to the principal about the canteen survey and your recommendations. Use at least eight complex prepositions."
ICQs: "Who is the report for?" (The principal.) "How many complex prepositions?" (At least eight.)
Groups plan (3 minutes) and write (10 minutes).
Two groups read their reports aloud. The class identifies the most formal-sounding phrases (5 minutes).
Monitor and note errors.
Feedback and wrap-up7 minutes · Whole class
Aim: To give feedback and consolidate.
Board strong phrases and two or three errors from the reports. Students correct the errors.
Discuss balance: "Is it possible to be too formal?"
Set the homework.
Homework Write a formal letter of complaint (220 words) using eight complex prepositions.
PPP (presentation, practice, production). Stage times add up to 60 minutes.