timing constraints

In the cyclone devices,
How to set parameters like tco,tsu,th,tpd.I am not using any M4K RAMS
or DSP blocks.I am using for LE_FF timing and LVTTL standards.I am not
using fast corner analysis.I have to fix up hold violations of no 96 I
referred cyclone II device data sheet DC and timing characteristics
page 106-135.How to set this paramters.There are no examples for
this.Can you provide examples for this.If you provide examples for this
in assignment editor ,it will be useful for users
kumar