The phrase "appear to be assuming" is correct and usable in written English.
It can be used when discussing perceptions or interpretations of someone's beliefs or actions, often implying uncertainty or speculation.
Example: "They appear to be assuming that everyone agrees with their viewpoint without considering alternative perspectives."
Alternatives: "seem to be presuming" or "look to be taking for granted".
In the meantime, investors appear to be assuming that elevated prices are here to stay.
In other words, they appear to be assuming they will lose before the vendor selection process is even completed.
The job falls to American shale oil producers, which, initial data show, appear to be assuming some of the usual Saudi role of cutting production.
The authors appear to be assuming that knockdown of USE1, BNIP1, and YKT6 are similarly specific, but they did not actually demonstrate this.
Participants in the renewed talks appeared to be assuming that Mr. Kaczynski will be found competent.
The Fed appeared to be assuming that Citigroup had around $96 billion of mortgages, since $9.3 billion is 9.7 percent of $96 billion.
The IPCC appears to be assuming that we haven't yet reached the critical mass of knowledge where science will galvanise action, so it produces one report after another.
Gov. Scott Walker of Wisconsin has been more restrained, avoiding a hashtag war, but has sounded similar notes, while former Gov. Jeb Bush of Florida appears to be assuming the role of the adult in the room, warning his party not to overreach, because of what he called the "dicey" politics.
Conrad, somewhat morbidly, appears to be assuming in his whip count that two members of the caucus, Sens. Ted Kennedy (D-Mass).
Obama's team appears to be assuming that passing any sort of healthcare reform bill will be seen as a giant political victory (no matter what it contains), and that most voters simply aren't paying as close attention as those crazed Lefty bloggers, and that they'll all rally around when it comes time to vote next year (and in 2012).
Nevertheless, in the absence of the side chain carboxylate of E90, the charge complementation of R6G appears to be assumed appreciably by dipole-charge interactions mediated by the side chain oxygen atoms of Q64 and Q96, located within 3.0 and 3.5 Å of the R6G N2 and N1 ethyl amino nitrogen atoms, respectively.
