Present perfect continuous/ progressive tense


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present-perfect-continuous-tense

We use has been  with only 3rd person singular. (He, she, it, Ali ) 

Since is used to talk about  Point of time . moring, evening, 2 pm, 4'0 clock, Monday, 2013 etc

 For  is usde to talk about  period of time . 2 hours, 10 minutes, 1 weeks, 2 years

Read  examples  sentences  of the present perfect progressive tense

Example sentences.

He has been playing since morning.

I have been waiting for her for 3 hours.

Structure of Present perfect continuous

Positive sentences

Subhas/have beenpresent participle
Hehasbeenreadingfor an hour.
Shehasbeendancing.
Wehavebeenplayingsince morning.

Negative sentences

Subhas/have beenpresent participle
Hehasnotbeenreadingfor an hour.
Shehasnotbeendancing.
Theyhavenotbeenplayingsince morning.

Interrogative sentences

has/haveSub beenpresent participle
Hasshebeenreadingfor an hour.
Hasitbeenraing?
Haveyoubeenplayingsince morning.

Using the present perfect  progressive/continuous tense:

1.We use the Present Perfect Continuous to  talk about some thing started in the past ant still continue.

Examples:

  • It has  been raining since morning.
  • He has been ridding on a bike for an hour .
  • What have you been taking about  for 20 minutes on phone?
  • Aslam  has been learning  in this college since March.
  • We have been walking  for an hour  hours!
  • Why has the patient not been taking his medicine regularly?