v. + problem >>共 361
have 22.63%
solve 9.06%
cause 5.52%
face 3.36%
address 2.77%
create 2.61%
pose 2.36%
fix 2.32%
resolve 2.12%
discuss 1.64%
see 1.13%
see + n. >>共 1403
sign 1.33%
reason 1.25%
man 1.18%
thing 1.14%
people 1.07%
doctor 0.95%
action 0.93%
need 0.92%
opportunity 0.89%
lot 0.87%
problem 0.68%
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