Final answer:
The subject of the sentence "Make the cake with chocolate icing" is the implied 'you,' which is the person being instructed to carry out the action of making the cake. This concept is part of English grammar, particularly within the context of imperative sentences.
Step-by-step explanation:
The subject of a sentence is who or what the sentence is about or who is performing the action. In the imperative sentence "Make the cake with chocolate icing," identifying the subject can be somewhat confusing because imperative sentences typically issue commands or requests and the subject is often implied. In this case, the implied subject is "you," addressed to the listener or reader.
It is essential to grasp the concept of the subject in a sentence as it provides clarity to the communication. Understanding how subjects function in different sentence structures can aid in the mastery of language and composition, which are foundational components of English education.