Questions & Answers about او با هر قدم درد مفصل را حس میکرد.
The lesson is about phrases like ghadam be ghadam. Could I use that here instead of ba har ghadam?
They have slightly different meanings. ba har ghadam means "with every step," which perfectly captures the pain triggering each time a foot lands. ghadam be ghadam means "step by step" or "gradually." Saying he felt the pain "gradually" doesn't quite fit the physics of feeling a sharp pain simultaneously with a footfall.
Why is the verb حس میکرد in the imperfective (past continuous) form rather than the simple past?
The prefix می in a past-tense verb shows that an action was ongoing, habitual, or repeated. Because the pain was felt repeatedly "with every step," the continuous form حس میکرد is required over the one-time simple past حس کرد.
What exactly does را mark here, and why is it necessary?
را marks the entire noun phrase درد مفصل (the joint pain) as the definite direct object of the verb. Since he is feeling a specific, known pain (the pain in that specific joint, not just pain in general), the object requires the را marker.
How are درد (pain) and مفصل (joint) linked in speech?
They are linked by the hidden ezâfe vowel, pronounced as dard-e mafsal. This grammatical linker connects a noun to its modifier or possessor, literally meaning "pain of the joint."