The phrase "are still stretched" is correct and usable in written English.
It can be used to describe a situation where something remains extended or prolonged over time, often referring to physical objects or metaphorical concepts like time or resources.
Example: "Despite the recent improvements, our resources are still stretched thin due to the ongoing project demands."
Alternatives: "remain extended" or "continue to be strained".
In any event, fire officials are quick to point out that they are still stretched thin.
Old swatches of keffiyeh fabric are still stretched out upon these once industrious machines - and underneath the powdery dust, the distinctive pattern so symbolic of the Palestinian national cause has all but faded away.
They're beginning to wake up; a few are still stretched out, asleep on the pieces of cardboard or material they've brought with them – few are lucky enough to have mattresses – and which they've spread out over the square's gardens to spend the night on.
Nevertheless, some question why Iraqi Kurds have deployed peshmerga abroad when they are still stretched at home, and have yet to win back all the territory they let slip.
Bonds to the coordinated water molecules may account for some of this difference, but even when these are taken into account, the cation-O bonds are still stretched as indicated by the ability of the Preyssler anion to stabilize lower oxidation states and shift redox potentials.
Paradoxically, sparse and limited as the data are, they are still stretching the limits of what we can process currently, from the point of view of both data collection and actual phylogenetic analysis.
I was still stretched out, bewildered.
The cotton fabric coated with aluminum-pigmented dope is still stretched tight over the wing and the rear fuselage.
At the Ecole Lesage workshops, tulle is still stretched over wood frames, and jars are filled with glass beads, sequins, paillettes and pearls.
It is still stretched, despite rapid hiring: MI5 expects to have 3,500 officers by 2008, up from fewer than 2,000 in September 2001.
The French were still a vacillating ally until the spring/summer, 1940, but the Command was still stretched by German naval forces operating from Germany, and then Norway.
