The word "probably" has inserted itself into the text, then "strongly insists that he did" and "highly likely."

The election officials strongly insist that states and local governments retain control over voting procedures.

"Force will most definitely not be necessary," Sisko insisted strongly.

Cousin strongly insisted on the importance of method in philosophy.

The queen had also seen what the wise woman could do, so she insisted strongly that her warning should be obeyed.

He insisted strongly upon the connection between deafness and disease of the naso-pharynx.

She refused at first, saying it was unnecessary, as she would so soon return; but I insisted strongly.

But I am surprised that you did not more strongly insist on this point.

They insist on the need for a fundamental change in direction and strongly urge us not to give our assent yet.