Original sentence: From January 2006, the two-year and three-year pre-university curriculum framework in pre-university centres was replaced with a new and revised curriculum with the first batch of students sitting for the GCE "A" Level examinations in 2007
Edited sentence: From January 2006, the two-year and three-year pre-university curriculum framework in pre-university centres will be replaced with a new and revised curriculum with the first batch of students sitting for the GCE "A" Level examinations in 2007