4.Verbs with two syllables, add the last consonat, then add -ed.
Example : |
prefer - preferred |
|
control - controlled |
5.The verbs which ending with y. Change -y into- i then add -ed.
Example : |
study - studied |
|
cry - cried |
|
carry - carried |
But, if the letter before y is the vowel. It could add - ed by without adding the last consonant . [No changes]
Example : |
play - played |
|
stay - stayed |
|