1.   We do not believe this is the body of the missing girl, but we have to check to be absolutely sure.

2.   But to be safe check the wires with a circuit tester.

3.   He said the trucking companies did not believe significant quantities of any other hazardous chemicals had been stored in the warehouse but were checking to be certain.

4.   To be safe check with a circuit tester.

v. + be >>共 1325
say 9.58%
figure 6.26%
be 3.78%
use 3.36%
remain 2.65%
present 2.56%
think 1.76%
estimate 1.43%
allege 1.39%
do 1.19%
check 0.05%
check + v. >>共 46
see 66.01%
make 13.45%
determine 3.42%
ensure 2.93%
find_out 1.22%
be 0.98%
enter 0.73%
keep 0.73%
arrive 0.49%
avoid 0.49%
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