"I should have warned you that these people might not cooperate."
"Knowing I can get to the bottom of it, if people would just cooperate."
"They do not want people to cooperate with the government," he said.
"But with a small police department, you can't do much if people don't cooperate."
There were a lot of questions, and some people weren't cooperating.
It's a shame your people will not cooperate with us.
It is not entirely clear why people cooperate more as part of a group.
The people I work with cooperate to get the job done.
But he also said that "certain people have not been cooperating."
The report says that people will not cooperate, and I believe this is the problem we need to take up.