The phrase "a number of progressive" is correct and usable in written English.
It can be used when referring to several individuals, ideas, or movements that are considered progressive in nature.
Example: "A number of progressive policies were introduced to address climate change and social inequality."
Alternatives: "several progressive" or "many progressive".
Implicitly, Sanders went on to call Clinton out, noting she had long lagged behind him on a number of progressive causes.
After Clinton's struggles in Iowa, a number of progressive groups are reviving their calls for Senator Elizabeth Warren to enter the contest.
Quite simply, as the country has taken a giant step forward on a number of progressive goals, it has also taken a major step back.
Ms. Lish has since become involved in a number of progressive groups in the Bronx and beyond, and has volunteered tirelessly for Ms. Biaggi.
Although there are a number of progressive utilities, their comments suggest that most utility industry companies will resist the dramatic changes imposed by technological changes.
But a number of progressive hosts have managed to stand out in recent years, thanks partly to the boost that Air America gave to the format.
While Democratic leaders appear ready to support the revised bill, a number of progressives and unions representing workers on the island are concerned about the new text.
A number of other progressive groups, both local and national, worked to propel Jones to his unlikely victory.
In recent years, some cities have also elected a number of more progressive DAs, who have made this issue a priority.
Given that these results included a number of relatively progressive parts of Egypt, it seems clear that the Islamists will enjoy a majority after the parliamentary election cycle finishes, in January.
The governor of Maryland from 2007 to this year, he pushed a number of pet progressive causes in his state, such as gay marriage and the environment, and would probably run somewhere just to Clinton's left.
