Sentence examples for has certainly done so from inspiring English sources
Tim Geithner, President Barack Obama's former treasury secretary, has certainly done so, and it shows.
They had certainly done so in Florida, and arguably in Ohio.
"And now," he wrote, winding up the chapter, "I hope I have proven, and I have certainly done so to my own satisfaction, that the eating of tomatoes by railroad engineers was responsible for fifty-three per cent of the train wrecks in the United States during the last seven years".
I write this like it's a eulogy, but really, Commissioner Clyburn will almost certainly go on to do more interesting things and help more people; other former Commissioners have certainly done so and are still influential in different ways — at nonprofits, in local government and so on.
He's right about that, and those of us who opposed this war have certainly done so.
DM: It has certainly done very well with foreign audiences so that is obviously true.
"When they say Iran is sending in ground troops, they're presuming it's the Iranian army [but]... Iran has not sent its army abroad since the Iran-Iraq war and it has certainly not done so today in Syria," she says.
With the domestic political capital he has collected since September 11th, he could certainly do so, especially if it seemed that supporting Israel was beginning to damage America's own security.
Additionally, the team has not reported any information about improper treatment of prisoners, and would certainly do so, if they had witnessed that or learned of these sorts of deaths".
