11.   Local authorities have a duty to keep the streets clean.

12.   Newspapers have a duty to give their readers the facts.

13.   One has a duty to uphold and support authorities if they meet the conditions of the service conception as explained above.

14.   Organizations have a duty to promote gender equality.

15.   Parents have a duty to make sure that their children receive an education.

16.   Public figures have a duty to conduct themselves responsibly, even in their private lives.

v. + duty >>共 412
have 12.52%
do 10.84%
perform 7.38%
resume 3.99%
handle 3.96%
impose 3.79%
assume 2.95%
share 2.65%
pay 2.11%
fulfill 2.01%
have + n. >>共 1145
chance 2.31%
problem 2.14%
trouble 1.82%
right 1.67%
plan 1.46%
idea 1.28%
lot 1.20%
time 1.09%
child 1.04%
power 1.04%
duty 0.11%
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