'would be more severe' is correct and usable in written English.
You can use it when talking about potential consequences of an action, when comparing the degree of something, or when making a prediction. For example: "If the crime was committed again, the penalty would be more severe."
This study's analysis did not allow for the assessment of the level of severity of osteoporosis in the patients, which presumably would be more severe in this cohort based on the degree of initiation of teriparatide.
"That charge would be more severe.
But he said some of their injuries would be more severe.
A likelier source of improvement would be more severe punishment for cheating in the scrum.
"Presumably, this would be more severe than just being late with your utility payment," said Kurt J. Bauman, a bureau analyst.
So Mr Darling told everyone to brace for a spending squeeze that would be more severe than that imposed by Margaret Thatcher.
We also examined embryos double homozygous for srn and mib, reasoning since Notch signaling is mostly if not completely absent in mib [13], if srn defects are also caused by Notch signaling deficiency, introducing srn into mib background would not result in addictive effects, i.e. would not be more severe then mib.
He added that sentencing in Lorang's case would probably be more severe because of political factors.
Because food has a much bigger weight in household spending, not only are those economies more prone to a surge in inflation now, but the social and political consequences would also be more severe.
If the government were not running a deficit, the downturn would doubtless be more severe, but it is always easier to start spending programmes than to roll them back.
Things would certainly be more severe if Line hadn't already begun developing its services business — warning to other messaging apps out there!
