Thread: help with tenses
View Single Post
  #15 (permalink)  
Old 22-Jul-2003, 00:43
Tdol Tdol is offline
Editor, UsingEnglish.com
  
Join Date: Nov 2002
Country: UK
Posts: 25,603
Current Location: Phnom Penh
First Language: English
Member Type: English Teacher
Thanks: 6
Thanked 497 Times in 437 Posts
Tdol has disabled reputation
Default
The present perfect progressive here denotes that the overall thing (teaching) has not finished, but some part of it (since 1984) has been completed.
Reply With Quote