What do you need to form a clause?
You need a subject and a verb. This is true whether the clause is dependent -
"The dog jumped onto the sofa"
or independent -
"The dog who jumped onto the sofa"
A clause is a group of words that has a predicate and a subject. There are two different types of clauses: independent and dependent. Independent clauses are those that can form a grammatical and complete sentence on their own. Dependent clauses are unable to form complete sentences and need another clause to make it complete. (i.e. it is dependent on another clause)
The clause 'What you need most' is a relative clause with the word 'what' functioning as a relative pronoun. The clause 'relates' to the antecedent for the pronoun 'what'. Example: Time is what you need most. (The noun time is the antecedent and the clause is functioning as the object of the sentence) What you need most is a good kick in the pants. (The noun kick is the antecedent and the clause is functioning…