What are three forms of verbs laugh?

Here are three forms of the verb "laugh," along with their grammatical function:

1. Laugh (base form/infinitive): Used to express the action of laughing in general.

* Example: "I like to laugh."

2. Laughing (present participle): Used to describe an ongoing action of laughing.

* Example: "The children were laughing loudly."

3. Laughed (past tense/past participle): Used to describe the action of laughing that happened in the past.

* Example: "She laughed at the joke."