They have been studying for two hours., It has been raining since morning., The children have been playing outside., She has been learning English for three years., We have been working all day.

present perfect continuous

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟