Question 1

What is the singular form of أيام (days) and why does its plural look so different?

Accepted Answer

The singular word for "day" is يوم (yawm). أيام (ayyām) is a "broken plural," which is the focus of this lesson. Instead of adding a regular plural suffix to the end of the word, Arabic often breaks and changes the internal letters and vowels of the singular word. Broken plurals are very common and usually need to be memorized alongside their singular forms.

Question 2

Why does the adjective طويلة (long) have a feminine singular ending if "days" is plural?

Accepted Answer

This is one of the most important rules in Arabic: all non-human plurals are treated grammatically as feminine singular. Because "days" are not human beings, any adjective describing them must take the feminine singular form. That is why we use طويلة (ṭawīla) instead of a plural adjective.

Question 3

Why isn't there a word for "of" in أيام الأسبوع (the days of the week)?

Accepted Answer

This phrase uses a common Arabic possession structure called an Idafa. To say "the days of the week," you simply place the two nouns right next to each other. In this structure, the first word (أيام) never takes the definite article ال (al-), but it is still understood as "the days" because it belongs to the second word (الأسبوع), which does have "al-".

Question 4

How do we know this means "The days of the week ARE long" and not just "The long days of the week"?

Accepted Answer

It comes down to matching "the" (definiteness). In Arabic, if an adjective belongs directly to a noun phrase, it must match it by also having "the". Here, "the days of the week" is definite, but the adjective طويلة (long) lacks the prefix ال (al-). This mismatch acts like an invisible equals sign, giving us the "are" to make a full sentence: "The days of the week = long."

أيام الأسبوع طويلة.

Breakdown of أيام الأسبوع طويلة.

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