Modal verbs or modal auxiliary verbs or modals can be so tricky or confusing. If used correctly, though, modals can make our writing more vivid. Do you think you can correctly use such words as can, could, may, might, will, would, shall, should, must, ought to, need, dare, used to? If not, let's try to learn how to use them. So, here comes this writing challenge.
English tips on modals
1. Possibility: can, could, may, might
2. Probability or certainty: should, ought to, must, will, cannot or can'

Thinngyan, the Water Festival is the most unique and colourful with the merriest occasion in Myanmar. During Thinngyan days the people throwing water each other since the Myanmar believe that Thinngyan water has the power to cleanse the evil and sins of the old year. The water festival called "Thinngyan" falls on the last four days before Myanmar New Year day, which is in the second week of April roughly on the twelfth or thirteenth, according to the Gregorian calendar