The letter t is pronounced differently depending the letters following it in the word.
The representation of t is:
–T is pronounced as /t/ commonly
–T is pronounced as /ʃ/: when t precedes -ion.
- Exception: equation – which is pronounced as /ʒ/
–T is pronounced as /tʃ/: when t precedes –ure, creating therefore a long u sound.
–T is silent:
- Endings as -sten, -ften, -stle;
- If t is between two other consonant sounds – it becomes silent because requires a lot of effort to pronounce the letter,
External link to Letter: t exercises (1234).