The phrase "have knit" is correct and usable in written English.
It is typically used in the present perfect tense to indicate that someone has completed the action of knitting at some point in the past and the result is relevant to the present.
Example: "I have knit several scarves for my friends this winter."
Alternatives: "have knitted" or "have made".
Now, the new plantings have knit together into mounding evergreen forms that mitigate the harshness of the landscape.
The strong roots that have knit this diverse community together for centuries are reflected in the response to Thursday night's tragedy.
The South Wales Argus newspaper reports that a local craftgroup, not content to allow the near-coincidence of Royal Wedding Weekend with Easter Weekend to go unobserved, have knit their own Royal Bunny Wedding, with some seventy bunny dolls, pictures of which you can peruse on the paper's site.
HOBOKEN Hoboken Historical Museum "I Belong, a History of Civic and Social Clubs in Hoboken," an exhibition on the history and cultural significance of the many social, theatrical, athletic and philanthropic clubs that have knit together the diverse population of Hoboken from the late 1700s.
On issues that cross borders terrorism, financial market volatility, global warming and on Iran, Israel-Palestine, Afghanistan, Pakistan and Iraq three things are essential: a new moral authority in the White House, the capacity for original strategic thought, and a 21st-century understanding of the border-jumping networks that have knit humanity into new relationships.
However, the oil companies pay for large recreation centers, and the people have knit together a relatively supportive community here.
Investigators have knitted together the story of what happened.
"I have knitted a friend for you," the note said.
These cities have knitted together networks for everyday travel by bike.
You name it, Jensen and his team have knitted it, and very fetching they look too.
("Dust so thick we could have knitted our own blanket," etc).
