Model part 3 : can.may .could model by vishalshaky sir

hello, i am vishal shaky.
You are waching Vishal shaky science classis.
(vssc)
Vishal shaky science classis
Education class 10th & 12th.
Cbse & ncert.
Hindi & english.
class. 10th. in science, math, english.hindi.
Class. 12th. In science, math, english, biology, physics, chemistry, hindi.
Model part 3 : can ka use in model ll may ka use in model ll could ka use in model by vishalshaky sir