1.   To do this she must have a concept that objects still exist after they disappear from view.

2.   A single object can exist in a multiplicity of forms and places.

3.   A woman caller says that such objects do exist.

4.   But scientists have gathered increasingly persuasive indirect evidence that such objects exist.

5.   In the ordinary world, an object either exists or does not.

n. + exist >>共 1655
problem 4.39%
evidence 2.06%
possibility 1.59%
opportunity 1.28%
difference 1.17%
life 1.15%
condition 1.10%
technology 1.04%
system 0.84%
group 0.78%
object 0.08%
object + v. >>共 265
be 47.35%
have 3.27%
appear 1.86%
include 1.41%
fall 1.24%
turn 1.15%
hit 1.15%
come 0.97%
become 0.88%
seem 0.80%
exist 0.44%
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