Arabic is written mainly with its consonants; the short vowels are added above or below a letter when needed. That makes learning to read Arabic two problems rather than one: knowing the letters, then knowing when the vowels matter and when they do not.
The six marks
| Mark | Form | Value |
|---|---|---|
| Fatha | ـَ | short a |
| Damma | ـُ | short u |
| Kasra | ـِ | short i |
| Sukun | ـْ | no vowel |
| Shadda | ـّ | doubled consonant |
| Tanwin | ـً ـٌ ـٍ | final nunation |
Shadda is not strictly a vowel: it marks a doubled consonant, so it combines with another vowel rather than replacing it.
Word-internal vowels vs the final vowel
This is the distinction that saves learners the most time:
- Internal vowels are fixed by the shape of the word.
كَتَبَreads the same in any sentence. - The final vowel is i'rab, and it changes with grammatical role:
الكتابُas subject,الكتابَas object,الكتابِafter a preposition.
The first is decidable from the word alone; the second requires parsing the sentence. That is exactly why our automatic tashkeel tool adds internal vowels and refuses to guess i'rab — a confidently wrong final vowel is worse than an absent one, because a learner has no way to catch it.
When vocalisation actually matters
- The Quran — full vocalisation is part of the text.
- Poetry — metre depends on the vowels.
- Beginner material — the reader has not yet built the intuition.
- Genuine ambiguity —
عَلَّمَ(taught) andعَلِمَ(knew) are identical unvocalised.
Common mistakes
- Vocalising everything. Fully vocalised text is slower to read for a fluent reader, not faster.
- Treating sukun as a vowel. It marks the absence of one.
- Skipping shadda.
دَرَسَ(studied) andدَرَّسَ(taught) are different verbs.
To practise
- Run the tashkeel tool over a paragraph you already know.
- Revisit the Arabic alphabet and its letter forms if the letters are not yet solid.
- To type the harakat by hand, the Arabic keyboard has a panel for them.