1. If the verb ends with ‘o’, es is added at the end of the verb.
Example: go becomes goes, do becomes does, etc.

2. If the verb ends with ‘ss’ or ‘sh’, es is added at the end of the verb.
Example: kiss becomes kisses, Wish becomes Wishes, etc.

3. If the verb ends with ‘x’, ‘zz’, or ‘ch’, es is added at the end of the verb.
Example: fix becomes fixes, buzz becomes buzzes, Catch becomes Catches, etc.

4. If the main verb ends with y with a consonant preceding it, es is added at the end of the verb.
Example: marry becomes marries, try becomes tries, etc.