The phrase "and trying to complete" is correct and usable in written English.
It can be used when describing an ongoing effort to finish a task or project.
Example: "I have been working on this report for days, and trying to complete it before the deadline."
Alternatives: "and attempting to finish" or "and working to finalize".
Just getting through the basic single-objective missions while avoiding zombies can be quite difficult, and trying to complete secondary objectives is brutal.
"At the time, I was extremely busy seeing patients and trying to complete my work, leaving little time for unrelated conversation," she explained.
Right now, Ms. Bass Levin said, her employees were working with municipalities across the state to prepare local budgets and trying to complete a new set of rules for affordable housing.
This May they will present "Novel: A Living Installation Flux Factory," in which three novelists -- Laurie Stone, Ranbir Sidhu and Grant Baille -- will live on-site, dining together, giving weekly public readings and trying to complete their novels by June 4.
The alternative is working even harder, even faster, and trying to complete even more tasks at the same time...good luck with that.
"I'm looking forward to next April and driving down Magnolia Lane," McIlroy said, "and trying to complete the career Grand Slam".
With their office buildings still closed for anthrax testing and their staffs scattered, members of Congress reconvened today and tried to complete sweeping antiterrorism and money laundering legislation.
Afterwards, Moreno sits with the matriarchs and tries to complete her family trees – they sprawl, spreading over several pages and ending in question marks and phone numbers, lines scribbled out and redrawn as new information emerges.
For his part, Mr. Gingrich today scoffed at the suggestion that Republicans were guided by polls -- or that they should note Mr. Clinton's high job approval ratings and try to complete their inquiry.
For the player, this means choosing a character and launching into "Musou Mode" where you slaughter "grunts" by the platoon load (and harder-to-beat enemy generals) as they blithely amble into your path, and try to complete assorted tasks - take the fortress, open the gate, etc - in a set time.
