This is the 3027th most frequent Arabic word.
استطاعت
"استطاعت" means "she/it was able" or "she/it managed."
In this sentence, 'استطاعت' is used to indicate that the subject successfully completed the action of writing the letter, emphasizing her capability.
استطاعت أن تكتب الرسالة بسرعة.
She managed to write the letter quickly.
Here, the word 'استطاع' in its negative form 'لم يستطع' denotes the inability of the subjects to comprehend the entire lesson, discussing their limitation in understanding.
لم يستطع الطلاب فهم الدرس بالكامل.
The students couldn't completely understand the lesson.
The term 'استطعت' is utilized in an interrogative sentence to inquire about the subject's capability in solving the problem, emphasizing the possibility of success or effort.