How to add a timer to Google Forms for a School Quiz? -

i'm helping school teacher , have english language test made using google forms split 3 sections. able set time on each section (e.g. section = 10 min, section b = 10 min section c = 40 min). student able see countdown on each section they're doing, @ possible? i'm novice google apps script , i've seen js code timers don't know how piece them in google form. appreciated!

nothing available @ present time in google forms. might wait couple of weeks since scripting forms going announced in google yearly conference, google i/o. see here: https://developers.google.com/events/io/sessions/327782631