ben9108
Member
- Joined
- Nov 27, 2005
- Member Type
- Student or Learner
- Native Language
- Chinese
- Home Country
- China
- Current Location
- China
I would like to seek someone to solve my question about the usage of “When”. Is the “when” used as a preposition and a gerund following it shown below sentences?
Doors to refrigerated spaces should be kept closed when not in use.
What special precautions should be taken when using XYZ medicament.
Protect information when using the internet and email
How might I be putting information at risk when using the internet?
Doors to refrigerated spaces should be kept closed when not in use.
What special precautions should be taken when using XYZ medicament.
Protect information when using the internet and email
How might I be putting information at risk when using the internet?