1.  How long your son (wear) glasses?

How long HAS your son BEEN WEARING glasses?

2.  My wife (not cry). She (peel) onions.

My wife HAS NOT BEEN CRYING. She HAS BEEN PEELING onions.

3.  Your fingers are really  brown! You (smoke) too much.

Your fingers are really brown! You HAVE BEEN SMOKING too much.

4.  Tony looks so stressed because he (work) long hours.

Tony looks so stressed because he HAS BEEN WORKING long hours.

5.  Your cellphone (ring) for 10 minutes. Why don't you answer it?

Your cellphone HAS BEEN RINGING for 10 minutes. Why don't you answer it?