She Is still a student. She has been a student for over six years. 

They are married now. They have been married for three months. 

••/ have been thinking over my problems." cumlesinde ise 'been" yardımcı fİil olarak kullamlmıştır. 

She bas been working on her graduation thesis recently. 

I have been helping her with her English assignments since the beginning of the term. 

c) Present Perfect Continuous Tense, always, never, sometimes gibi sıklık bUdiren zarflarla, once, twice, several times gibi eylemin kaç kez yapıldığın» bildiren yapılarla. ya da Just. already, yet gibi eylemin bittigini, tamamlandıgını ifade eden yapılarla kullanılmaz. 

I have always lived here./I have lived here au my life. 

I have been living here since I was born. 

I've been reading this book since this morning. and I've read a hundred of pages so far, 

(Okuma eylemi devam ettiği için "have been reading', yüz sayfalık bölümü tamamlanmış olduğu için "have read') 

We've been trying to answer a number of questions since the beginning of the class, and we've answered half of them already. 

He's been writing letters since breakfast time He's just written the fourth one, and he has two more letters to write. 

The door bell has rung twice In the last half hour, and each time. It has been a visitor for my roommate. 

The door bell has been ringing for the last minute. Why doesn't someone open the door?