The phrase "are sometimes expected to" is correct and usable in written English.
You can use it when discussing obligations or anticipated behaviors that are not always required but may occur in certain situations.
Example: "Employees are sometimes expected to work overtime during peak seasons to meet project deadlines."
Alternatives: "are occasionally required to" or "may be anticipated to".
In the Alto Solimões region of the Brazilian Amazon, they are sometimes expected to wield bigger shears.
Laughs on Week nNights While Sundays and Mondays at the city's mainstream clubs are generally open-mike nights, where wannabes are sometimes expected to bring three paying guests for the privilege of performing, downtown clubs thrive during the week.
Writers are sometimes expected to speak out in a crisis; but since they are often an impractical, narcissistic, rampantly individualist bunch, allergic to analytical thought, it is hard to see quite why.
Finally, digital media are sometimes expected to obviate institutional and resource limitations on the development of media platforms and content production for public health authorities.
If there's anything more fun than taking apart a workshop poem, it's to read the blurbs poets are sometimes expected to extemporize, to justify/apologize for/self-deprecatingly praise/preemptively neuter their own poetry.
Female IDUs have riskier and more sex due to the need to earn sufficient income to procure drugs and support their basic needs, and they are sometimes expected to earn enough to support the drug use of their male partners as well [ 2, 3, 7- 12].
Nate grew up in a neighborhood where young boys were sometimes expected to fight.
"The level of responsibility that that carries is unbelievable ― the standards to which we're sometimes expected to hold ourselves to, the burden," she said. .
The availability of big data is sometimes expected to lead to fruitful results in data interpretation by using black-box methods.
On the other hand even in cases that have a longer history with lots of research and media and policy attention, human biomonitoring is sometimes expected to supply new knowledge (public health effects) as well as offering the opportunity for renewed attention leading to a possible catalytic effect.
A formal outline, as you're sometimes expected to write for an essay assignment, is an example of a concept map.
