The INTRANSITIVE VERB is a class of verb which does not take an object . In fact an intransitive verb requires nothing else to complete the verb phrase for example :
Ken snore
The baby cried
She moved
The tree diagram for this class of verb is as follows :
[IMG][/IMG]
The function of the constituents :
Ken snores
S_____P
Rules to remember : Intransitive Verb
VP_____intransitive verb
e.g Ken – snores