The phrase "insist in" is not correct in written English.
The correct phrase is "insist on." For example, "She insisted on going to the store despite the rain."
I insist in advance that it be that way.
Signs on the walls insist in capital letters: "NO PORN".
Unthinkable, failure is not an option, they insist in EU capitals.
The oil firms insist in public that they do not reward extortion.
We seem to insist in growing the economy at a rate way beyond sustainability.
The companies insist, in statements and regulatory filings, that they have no further responsibility after settling claims years ago.
Geoff Lockwood, chairman of the trust, continued to insist, in the face of increasing scepticism, that restoration was still feasible.
Manchester United insist in the strongest terms they did not make a concerted effort to ensnare Pep Guardiola from under rivals Manchester City's noses.
To insist, in the week after the clocks went back, that you go to a show about death seems a little sadistic.
Mr. Sabri, the Iraqi foreign minister, seemed to insist in the letter yesterday that agreement could be reached to leapfrog tough inspections.
Kerry will insist in his meetings that the US still needs to see a return to the rule of law if US-Egypt ties are to improve.
