IMPORTANT POINTS:-

•  When the subject is singular no or third person then s or es is attached with the verb.
• if the last letter of verb is ss, o, z, x, ch, sh  then es will be addes to the verb.

                                        For e.g. 

                                                I go. --- He goes.

                                                We search. --- He Searches.

• When the last letter of verb is ends with Y and the word is a constent, then with subject singular no - thrid person Y truns into ies.

                                            For e.g.

                                            They fly kites. --- He flies kites.