The phrase "although I acknowledged" is correct and usable in written English.
It can be used to introduce a contrast or exception in a statement where you recognize or accept something but still want to present a differing viewpoint or situation.
Example: "Although I acknowledged the challenges we faced, I remained optimistic about our chances of success."
Alternatives: "even though I recognized" or "despite my acknowledgment".
I don't think so, although I acknowledge that his actions have sparked an important, and overdue, conversation about surveillance.
So you can't spell Lev Yashin (although I acknowledge you could spell 'cat' the universally accepted term for a half-decent goalie)" - Jeremy Barker.
But although I acknowledge that for an entire generation or two, "conservatism" has come to mean ideological, fundamentalist, cultural panic and hallucinogenic economics, I don't want to concede the tradition of Burke, Babbitt, Hayek and Oakeshott to the left.
Although I acknowledge the ongoing debate about what counts as transnationalism, this is not the main focus of this paper.
And although I acknowledge that school does work for some people, I'm incredibly grateful my parents decided to unschool me.
Although I acknowledge, apologize and accept full responsibility for my criminal activity, I also respectfully believe that my punishment far exceeds the crime.
Neither is it intended as an attack on either end of the political spectrum, although I acknowledge my own bias and its influence.
I feel the same way about writing, sort of; although I acknowledge it can be scary to set down what you think and feel, I'm not sure "brave" is the operative description.
I wrote things such as "don't let this scare you," "it's all about balance," and "I can show you how it is done". Although I acknowledge the sexism and gender disparities in academe -- believe me, I can give you a notebook full of things I've faced and been called -- I think that being a tenure-track or tenured faculty member is a great career for someone interested in having children.
- I was surprised not to see the original Yarus DiRT paper, or the Knight and Landweber 2000 piece on alternative models for getting from triplet/site associations to the present, or the original Szathmary paper on coding coenzyme handles, in the reference list although I acknowledge there could be reasonable motivations for omitting these and the reference list is long already.
