The sound /f/ voiceless, labiodental, fricative consonant

  • Press your upper teeth against your lower lip.
  • Breathe out and let air escape past your teeth.
  • Your vocal cords should not vibrate.

 

Spelling:

  • “f" - friend, before
  • "ff" - off, difficult
  • "ph" - phrase, physics
  • "gh" - tough, laugh

 

LISTEN
 
Download english phonetics exercises audio
listen_to_-f-.mp3
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/f/…/f/…/f/…/f/…

fix...friend...laugh...offer...
 
 
The sound /f/ can be in these consonant clusters:
  • Beginning of a Syllable
       
     
    Download english phonetics exercises audio
    f_initial_clusters.mp3
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    /fr/ ("fr") - friend
    /fl/ ("fl") - fly
     
  •  
  • End of a Syllable
 
Download english phonetics exercises audio
f_final_clusters.mp3
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/lf/ ("lf") - shelf
/lfs/ ("lfs") - gulfs
/rf/ ("rf") - scarf
/rfs/ ("rfs") - wharfs
/fs/ ("fs" / "ffs" / "ghs") - proofs, cuffs, coughs
/fθ/ (“fth”) - fifth
/fθs/ (“fths”) - fifths
/lfθ/ (“lfth”) - twelfth
/lfθs/ (“lfths”) - twelfths
/ft/ ("ft") - left
/fts/ ("fts") - shifts
 
 
COMPARE
 
Compare /f/ with /v/:
 
Download english phonetics exercises audio
compare_f-v_1.mp3
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/f/…/v/…/f/…/v/…/f/…/v/...

Both /f/ and /v/ are labiodental fricative consonants. However, /f/ is voiceless and /v/ is voiced. When you pronounce /f/, your vocal cords should not vibrate.  At the end of a word, the vowel before /f/ will be shorter than the vowel before /v/.
 

You can hear the difference between /f/ and /v/ in these words.
Download english phonetics exercises audio
compare_f-v_words.mp3
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1. A. face, B. vase
2. A. fan, B. van
3. A. surf, B. serve
4. A. leaf, B. leave
5. A. shelf, B. shelve
6. A. safer, B. savor
 
 

Now, compare /f/ with /θ/:
 
Download english phonetics exercises audio
compare_f-th_1.mp3
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/f/…/θ/…/f/…/θ/…/f/…/θ/…

Both /f/ and /θ/ are voiceless fricative consonants. However, /f/ is a labiodental consonant, and /θ/ is an dental consonant. You should pronounce /f/ with your upper teeth rubbing against your lower lip.
 

You can hear the difference between /f/ and /θ/ in the words below.
Download english phonetics exercises audio
compare_f-th_words.mp3
Download File
1. A. fought, B. thought
2. A. first, B. thirst
3. A. free, B. three
4. A. deaf, B. death
5. A. reefs, B. wreaths
6. A. whiff, B. with
 
 
 
PRACTICE
 
Listen and repeat these words:
Download english phonetics exercises audio
words_with_-f-.mp3
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1. fake
2. phone
3. fire
4. fever
5. flame
6. flower
7. frown
8. fraction
9. fantasy
10. offer
 
11. rough
12. left
13. coughs
14. selfish
15. afraid
16. after
17. different
18. effective
19. fifth
20. philosopher
 

Now, practice /f/ in sentences. Say the words first, then the sentences.
Download english phonetics exercises audio
sentences_with_-f-.mp3
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1. afford - forget - phone
You can't afford to forget your phone!
2. cough - fever - feels
He has a cough and a fever, so he feels very sick.
3. flying – after - final
I'm flying home after final exams.
4. family - friends - fireworks - fourth
My family and friends watched fireworks on July Fourth.
5. left – before – finished
I left before the class was finished.
6. fee - ferry - five
The fee for riding the ferry is five dollars.
 

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