The phrase "all of those responsibilities" is correct and usable in written English.
You can use it when referring to a specific set of duties or obligations that have been previously mentioned or are understood in context.
Example: "As the team leader, I have to manage all of those responsibilities effectively to ensure our project's success."
Alternatives: "all these duties" or "all of these tasks".
Shephard said it was time for a major effort on improving teaching: "There has been a tendency to devolve all of those important responsibilities, [but] I believe it is the task of government to take responsibility for teacher quality, teacher supply and indeed teacher training".
Since the accident, the downside of vesting one regulatory division with all of those disparate responsibilities has been brought into stark relief.
It's hard enough for anyone competing in the job market without all of those additional responsibilities.
Why would I intentionally ruin all our lives?" Peshawar has a large press contingent, and those reporters seem to have convinced the authorities and many of the mullahs that not all of those arrested bear responsibility for the letter.
Michael said: "The most important thing for the police service and all of those with governance responsibility for the police service, is to take the instances of police racism seriously, and to address it and use the help that's available from outside the police service".
Almost all of those now writing about collective responsibility agree that collective responsibility would make sense if it were merely an aggregative phenomenon.
Restaurant owners have a lot of responsibilities and a wide array of skills to handle those responsibilities.
Asked in the interview with the "Today" show whether she supported a woman's legal right to an abortion, Mrs. Bush did not directly reply but said, "I agree with my husband that we should try to reduce the number of abortions in our country by doing all of those things, by talking about responsibility, by talking about abstinence".
We'll be working with them and others, but we have a long way to go in terms of what the organization looks like, people's roles and responsibilities -- all of those things still need to be worked out.
