Английское предложение с have communicated

Suriyawong didn't know how they could have communicated more clearly to the Indian soldiers that not only had Virlomi saved their bridge, she had also taken control of this chopper.
If she had been willing to help justice she would probably have communicated with the police already.
One mistake had been made in not arresting Boone instantly, as he was allowed some few minutes during which he might have communicated with his friend the Lascar, but this fault was soon remedied, and he was seized and searched, without anything being found which could incriminate him.
“When MacQueen first learned that the letter which had been so carefully burnt had in part escaped destruction, and that the word Armstrong was exactly the word remaining, he must at once have communicated his news, to the others.
They’d have communicated immediately if there was a danger that the wheels were coming off.”