Student or Learner
In the following headlines of an announcement that there will be changes in manager on 1 August. Are they all correct? Which one is preferred? Which one is incorrect? The all sound "correct" to me as a non-natvie speaker.
- Manager changes with effect 1 August 2013
- Manager changes with effect from 1 August 2013
- Manager changes effective from 1 August 2013
- Manager changes effective 1 August 2013
Anthony the learner