* cry -> cried
* try -> tried
* carry -> carried
* study -> studied
* hurry -> hurried
* worry -> worried
* reply -> replied
* empty -> emptied
* marry -> married
* deny -> denied
Important Note: This rule only applies when the "y" is preceded by a consonant. If the "y" is preceded by a vowel, you just add "d" to form the past tense (e.g., "play" -> "played").