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: ؟