Question

is this sentence grammaticaly correct?<br /><br />"By making understand schoolmates not to throw garbage on a field"<br /><br />This is a point of a brief answer about field visit<br /><br /><br />The phrase "To make understand" is used in this sentence <br /><br /><br />Why is this sentence Grammaticaly incorrect or correct?​

Answer 1

Answer:

try to understand brother