Answer:
increase; fall; rises
Step-by-step explanation:
A recession is when there's a contraction in economic activities. It is when the GDP of a country is negative for two consecutive quarters.
When there's a recession, the government undertakes expansionary fiscal policy to stimulate the economy. Therefore, the government would increase its spending or reduce amount of tax paid. Therefore , government spending rises.
Also, during a recession, tax revenues falls because income of individuals, firms fall and therefore revenue from tax would fall.
I hope my answer helps you.