The phrase 'be cognisant that' is correct and usable in written English.
You can use this phrase to introduce a warning or a piece of important information that someone should keep in mind. For example: "Be cognisant that your actions carry consequences and will ultimately affect your future decisions."
"It's critical that people be cognisant that we just tend to stigmatise people because of them".
Voters don't seem to be cognisant that an attack on Iran's nuclear sites won't be a discrete event that stops it from getting a bomb; it will be the start of a new war in the Middle East, and of an indefinite commitment by America to keep bombing Iran wherever it seems nuclear-weapons development sites are being built.So, American voters: do you want to fight another war in the Middle East?
Nevertheless, it is important to be cognisant that the measurement of social capital remains problematic.
However, one should be cognisant that not all social interaction constitutes social capital.
EOD technicians should therefore be cognisant that physiological tolerance times are significantly reduced when a respirator and chemical clothing are added to the EOD PPE.
Health educators, however, should be cognisant that health education aimed at reducing exposure to lead in household dust and residential yards by itself has been insufficient to reduce children's BLLs to 5 μg /dL or lower to date.
We were never in danger of falling off, so being cognisant that the world is round does not make any material difference to our lives.
He defended his approach to publicity: "I am cognisant that publicity, especially in cases without foundation, carries an inherent risk of reputational damage".
It may be recognised by others who, while they have no clear sense of its meaning, are cognisant that it is nearly always referred to negatively.
At the same time, we were cognisant that the second heteroatom substituent would extend the planarity of the acyl chain to two atoms beyond the carbonyl group and therefore affect the conformation in this part of the molecule and potentially its binding to CD1d and subsequent presentation to iNKT cells.
In short, it is Trudeau's leftist as opposed to centrist tactics that have won him this victory, and he would do well to be cognisant of that as he restores Canada to the egalitarian, ethical and honourable democracy that it once was – the democracy of which Canadians are right to be proud.
