Sentence:
My sister has been a primary school teacher for 10 years. Question:
Why is the present perfect simple used in this sentence?

Question

Sentence: 
 My sister  has been  a primary school teacher for 10 years.  Question: 
 Why is the  present perfect simple  used in this sentence?

Accepted Answer

Because it describes a  state  (being a teacher) that  started in the past and continues up to now .

Answer

Because the sentence describes a  temporary activity  that has been happening recently and is not finished.

Answer

Because it refers to a  completed action  in the past with no connection to the present.

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