كم (الاستفهامية)
How Many
كم (Kam) is the primary word for 'how many' or 'how much'. It has two main roles: asking a question (Interrogative) and making an exclamation about a large quantity (Exclamatory).
How It Works
The particle كم is essential for quantifying things in Arabic. Understanding its two forms is key to becoming proficient in reading and speaking:
1. The Interrogative (كم الاستفهامية):
Used to ask for a specific number. The noun that follows it (the tamyiz) is typically:
- Singular and Indefinite: It does not take the definite article.
- Accusative: It usually takes the tanwin fat-ha (-an) ending.
- Preposition Rule: If a preposition comes before كم (like بِـكم), the noun can be either genitive (e.g., بكم درهمٍ؟) or accusative (e.g., بكم درهماً؟).
2. The Exclamatory (كم الخبرية):
Literally meaning 'Informative' or 'Declarative', it is used to say 'What a lot of...!' rather than asking a question. The noun is:
- Genitive: It usually takes the genitive ending (-in).
- Singular or Plural: Unlike the question form, this can be plural.
- Often with 'min': It is very common to see كم من... (e.g., كم من مرةٍ!).
- Separation Rule (Al-Fasl): If another word (like a verb or phrase) separates كم from the noun it describes, the noun must be in the accusative case (e.g., كم عندي كتباً!).
Examples (5)
- كَمْ كِتَاباً قَرَأْتَ؟
How many books did you read?
Word by Word: How many book you read?
Here, 'kam' is interrogative. Notice that 'kitaban' is singular and has the accusative -an ending.
- بِكَمْ رِيَالٍ اشْتَرَيْتَ هَذَا؟
For how many riyals did you buy this?
Word by Word: With how many riyal you bought this?
When a preposition like 'bi-' precedes 'kam', the following noun can be genitive (riyālin) or accusative (riyālan).
- كَمْ مِنْ مَرَّةٍ نَصَحْتُكَ!
How many times I have advised you!
Word by Word: How many from time I advised you!
This is exclamatory. The use of 'min' and the genitive case indicates amazement at the frequency.
- كَمْ عِنْدِي كُتُباً!
What a lot of books I have!
Word by Word: How many at me books!
In the exclamatory sense, if the noun is separated from 'kam' (here by 'indi'), it must be in the accusative case.
- كَمْ كُتُبٍ عِنْدِي!
What a lot of books I have!
Word by Word: How many books at me!
In the exclamatory sense, the noun can be plural and genitive when it follows 'kam' directly.
Common Mistakes
Using a plural noun in a question.
كَمْ كُتُبًا قَرَأْتَ؟كَمْ كِتَاباً قَرَأْتَ؟English speakers often want to use the plural 'books', but in Arabic questions, 'kam' must be followed by a singular noun.
Using the definite article after 'kam'.
كَمْ الكِتَابَ؟كَمْ كِتَاباً؟The noun following 'kam' must be indefinite (without 'al-').
How It Connects
Learn This First
To learn 'كم' (How many), you need to understand that the noun being counted must be singular and carry the indefinite tanwin ending. Familiarity with basic possession markers like 'عند' is also helpful for forming common questions.
- The Indefinite Ending
The noun following 'كم' (the tamyiz) typically takes the indefinite accusative ending (tanwin fat-ha).
Level 1 - One Two and Many
Understanding the concept of singular nouns is necessary because 'كم' requires the noun following it to remain in the singular form.
Foundations - عندAt and Having
The pattern 'كم' is frequently used with 'عند' to ask about possession (e.g., 'How many ... do you have?').
Level 1
Related Patterns
- كم + Accusative Singular NounHow Many Takes a Singular Noun
This is the specific rule for the singular accusative noun used in questions.
Level 2 - كم (الخبرية)So Many
This covers the exclamatory use of 'kam' to express 'what a lot of'.
Level 4 - The Clarifying Noun
The noun following 'kam' is a type of 'tamyiz' (specification), which explains why it is accusative.
Level 3 - Question Words Come First
Like other question words, 'kam' must appear at the beginning of the sentence.
Level 1