Rules

* Verbs that end with e drop the "e" and add "ing"
 Example:
 drive
 He is driving

 * Verbs that end in a vowel followed by a double consonant or in a double vowel fpllowed by consonant simply add "ing"
 Example:
Cook
 She is cooking

 * Verbs that end in a single stressed vowel followed by a single consonant must add another consonant before adding-ing
 Example:
swim
 I am swimming

 * Verbs that end in "ie" change the "ie" "to" "y" and add "ing",
verbs that end in other vowels simply take "ing"
 Example:
 die
 He is dying