Here's the solution for writing the verbs in the past tense:
**+ed**
* Boiled
* Laughed
* Washed
**y+ied**
* Carried
* Copied
* Cried
* Tried
**+d**
* Bounced
* Invited
* Skated
* Liked
* Smiled
**Consonant+ed (doubling the last consonant before adding -ed)**
* Clapped
* Cooked
* Hopped
* Skipped
* Stopped