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Questions & Answers about هي تعمل ممرضة.
The lesson says the indefinite accusative case adds an Alif (ـاً) to the end of a word. Why doesn't ممرضة have one?
Words ending in the letter taa marbuutah (ة) are an exception to this rule! Instead of adding an extra Alif, the accusative case marker (an "an" sound, written as two small diagonal lines) just sits directly on top of the ة. If fully vowelled, it looks like this: ممرضةً.
Where is the word for "as a" in the Arabic sentence?
Arabic doesn't use a separate word for "as a" in this context. When stating someone's profession using a verb like تعمل (she works), you just place the job title immediately after the verb in the accusative case.
How do we know تعمل goes with "she"?
Present tense verbs for "she" always start with the prefix تـ (ta-). While the pronoun هي (she) at the start of the sentence already tells us who is doing the action, the verb must also grammatically agree with it.
Since it's in the accusative case, how do I pronounce the end of ممرضة in this sentence?
It is pronounced with an "an" sound at the end: mumarriḍatan. This "an" sound is the spoken marker of the indefinite accusative case, which you will hear in formal Arabic even when the double-dash vowel marks aren't explicitly written on the page.