The phrase "all of his support" is correct and usable in written English.
It can be used when referring to the entirety of someone's assistance or backing in a particular context.
Example: "He was grateful for all of his support during the difficult times he faced."
Alternatives: "all of his assistance" or "all of his backing".
Mr. Jackson acknowledged that much, though not all, of his support to date comes from minority members of the party.
The 74-year-old senator, surrounded by the Vermont delegation, announced that he was ceding all of his support to Mrs. Clinton.
Other polls have had similar findings, but have also found that Mr. Barry has lost almost all of his support among whites, who account for about a third of the city's vote.
Politicians across all parties called Mr. Musharraf's insistence that he would not resign a bravura performance that could not be maintained under the political reality that almost all of his support had evaporated.
Politicians across all parties, however, characterized the public insistence by Mr. Musharraf, a former military man, as a kind of last stand, a bravura performance that could not be maintained under the political reality that almost all of his support had evaporated.
By the time his second corruption trial ended in acquittal in the spring of 1986, Edwards had lost almost all of his support in the state's white middle class (polls showed him with negative ratings of more than 60percentt), but it took him a long time, until the final weeks of this campaign, to realize that he could not put a new shine on his sullied reputation.
Even the president has joined in the fun, having lunch at a diner with a few "typical" small business owners so that he can discuss the issues and let us all know of his support.
Blair's reputation had soared "above all others" because of his support for the US, the former ambassador told the inquiry.
Opinion polls, and established political figures, all underestimated the strength of his support.
"Maybe David felt that at such a massive club he had to be sure that all corners were covered in terms of his support system.
