driftwood
Junior Member
- Joined
- Jan 17, 2007
- Member Type
- Student or Learner
- Native Language
- English
- Home Country
- United States
- Current Location
- United States
Code:
The annual carbon dioxide emission rate has [I]more than tripled[/I]
I know it has the present perfect form of 'triple'.
The difficulty lies in 'more than'. If it is simply 'more', it is a sort of adverb.
Having thought about it for a while, I've come up with this explanation.
Code:
The annual carbon dioxide emission rate has [U]increased[/U] [I]more than (it has) tripled[/I].
Would you agree with me? If not, can you share your idea?
Thank you,
Rod