I still wonder about the use of "shall". It is rarely to be used. We use "should" (past form of shall) and "will" so often instead of "shall". As suggestion and offer,,
Onee: "Hi Expector, thanks for giving these tips on modals"
Expector: "Hi Onee, you're welcome. You could try to make a short dialog or paragraph" (suggestion)
Onee: "I will try. But it requires time a bit long for me. I guess you may get bored waiting this slow student" (probabilities)
Expector: "It's no problem. You have no time li

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