Sentence examples for certainly do not know from inspiring English sources
"We certainly do not know what happened to those works, but most of them are made of metal, and we know that the metal components of the plant have been cut out and converted to scrap," Bolot says.
They almost certainly do not know that the plant of the week is wild quinine, nor do they stop to admire it along a parallel version of West 16th Street, but pilgrimage is often made to the coffee stand a short walk away.
And, we certainly do not know who women are, as their sexual specificity has been utterly denied in the construction of their inferior status.
In the early manuscript, De Gravitatione, Newton denies knowing the "essential and metaphysical constitution" of matter (Newton, 2004, p. 27), and he retains the position in much later texts, including the 1713 General Scholium "We certainly do not know what is the substance of any thing.
I certainly do not know what will cure your depression.
We certainly don't know".
Rebecca and Josh certainly don't know.
They certainly don't know what the major textbooks are.
We certainly don't know what motivated the obviously disturbed individual facing charges in Arizona.
