The phrase "agents should not be" is correct and usable in written English.
It can be used when discussing the responsibilities or limitations of agents in a specific context, such as legal, business, or ethical discussions.
Example: "In this situation, agents should not be involved in any decision-making processes to avoid conflicts of interest."
Alternatives: "agents must refrain from" or "agents ought not to be".
Clearly, F.B.I. agents should not be barred from conducting Internet searches, even just to pursue hunches.
State agents should not be given a free pass to commit crimes up to and including murder.
While striking down the accusations, Richardson said agents should not be encouraging models to work on shoots where they might be uncomfortable.
The kinetics of administration of vasopressor agents should not be interpreted individually.
But agents should not be seen as the bad guys, they are advisors and, like referees, you don't hear much from the very best ones.
β-blocking agents should not be used in isolation in catecholamine-induced severe hypertension seen with pheochromocytoma or stimulant intoxication, because the unopposed peripheral α-effect could further increase blood pressure [17, 56].
As the journalist Menna Alaa reported on Twitter, a spokesman for the interim president installed by the Egyptian army replied that "Western agents shouldn't be giving lessons in patriotism to Egyptians".
These examples suggest a hypothesis about repeatability and its relation to power, namely, that an omnipotent agent should not be required to have the power to bring about either a state of affairs that is not unrestrictedly repeatable, or a conjunctive state of affairs one of whose conjuncts is not unrestrictedly repeatable.
Despite these setbacks, the potential of death receptor ligation as a chemotherapeutic agent should not be completely disregarded.
To ensure that all potential causative agents are identified during an investigation, the presence of >1 agent should not be discounted.
Toxicities of TKIs were usually well tolerated, and only one trial concluded that it was excessive and the agent should not be used.
