The phrase "almost always appears" is correct and usable in written English.
You can use it to indicate that something is very likely to happen or be present, but not guaranteed.
Example: "In this region, the rare bird almost always appears during the spring migration."
Alternatives: "typically shows up" or "frequently occurs".
She almost always appears to be posing.
He has a long, wide, flat, and handsome face, and he almost always appears preoccupied and worried, which makes him look as if he were scowling.
For this reason, neuroticism almost always appears in modern trait models of personality, though sometimes with slightly different theoretical formulations or names (such as trait anxiety, repression-sensitization, ego-resiliency, and negative emotionality).
They are more like a Bob Newhart sketch: the laughs come not from replaying the public foolishness of some stranger, but from watching the awkward reaction of the observer, who almost always appears as a character in the strip.
In the past he has videoed his adventures with a large entourage on Mediterranean yachts, in Monaco nightclubs and on the beach at St Tropez, in which he almost always appears wearing a black suit and polo neck sweater over his 6ft 6in, 20-stone frame.
After surgical violation, the PPF almost always appears abnormal on MRI with persistent abnormal soft tissue and often enhancement within.
But the witnesses almost always appear offended when the city's lawyers question their accounts.
Not that blacks were portrayed as ugly or bad in any way, but they almost always appeared as helpless victims.
He almost always appeared seated behind a simple desk, with a glass of water and some notes.
Almost always appearing in public behind dark-tinted glasses, General Costa Gomes, shy and soft spoken, was sometimes criticized for lacking charisma.
We tell ourselves a story of our lives in which we almost always appear as the heroes.
