Ahmed is still doing his homework
(yet)
Ala went shopping yesterday and visited her grandma
(As well)

Ahmed hasn't finished doing his homework yet
(( مضارع تام ))
Ala went shopping yesterday . She visited her grandma as well
(( قاعدة as well ))

هل تنفع Ala went shopping yesterday and visited her grandma as well

كأجابة للسوأل الثاني؟
و
Ahmed hasn't done his homework yet
كأجابة للسوأل الاول؟

as well
على ما أعتقد .. لازم تكون الجملة كاملة بدون حذف الفاعل
---
أما
Ahmed hasn't done his homework yet
معناها انه لسه مبدأش ف الواجب بتاعه .. وده غير المعنى اللي موجود ف الجملة الأصلية
لأنه بالفعل بدأ بس مخلصش (( والله أعلم ))