swimming on the pond

0Ducks are extremely buoyant (note the spelling) and seem to ride on top of the water.02br
02br
00If you had a small 2-man sailboat, you'd put it into the water, and then say that it's in the water, but you'd go sailing on the bay.0-

0 I suppose it's because most of the duck is above the surface most of the time. It therefore seems to swim or float 01b00on02b00 the surface. The same is not true of people, who enter more into the volume of water that is the lake (than the duck).02br
00Boats and ships are more like floaters. I'd say they are on the lake, but not that they swim, of course.

0I've heard native speakers say "The ship is now in international waters" It's really confusing. How about abottle or a can or a pontoon? Any other exceptions?02br
02br
00I just noticed there's a conflict between Avangi's and your post. Sorry Avangi, I didn't see your 02br
00post first though you posted first. 02br
02br
00Avangi prefers to sa

1blockquote

01cite10New2grammar12cite10I've heard native speakers say "The ship is now in international waters" It's really confusing. How about abottle or a can or a pontoon? Any other exceptions? 12br
12br
11i11font11b10 In12b10 international waters is like being11b10 in

0Thanks Avangi and CJ. It's quite clear now.0-

0 01blockquote

01cite10New2grammar12cite10Thanks Avangi and CJ. It's quite clear now.12blockquote

10How can it be clear? Even I am confused now!02br
02br
01b00on02b00 has to do with contact with a 01u00two02u00-dimensional surface.02br
01b00in02b

0Reading your first line makes me scared already. I'm quite clear as of now. I hope after reading the 02br
00rest of your explanation, I still can say that. I'll do that later when I get a chance. 0-

0 01blockquote

01cite10New2grammar12cite10I hope after reading the rest of your explanation, I still can say that. I'll do that later when I get a chance.12blockquote

10OK. Perhaps I've over-explained it. But it sounds like you have a plan. That's good. 05002br
00CJ 010id1

0Pheww... What a relief. It's understandable and doesn't contradict with my understanding. Your definitions02br
00are great! YOu made it really easy for slow learners like me. Thanks CJ.0-

1. The ducks are swimming on the pond.

2. Peter is swimming in the lake.

3. The ducks are swimming ___ the lake.

4. Peter is swimming ___ the pond.

Which preposition should I use to fill in the above blanks, in or on?