Simple Sentence

Simple sentences are called 'simple' because they contain only one subject and one verb, or predicate. What's a predicate? A predicate is the main verb in a sentence and any additional components related to the subject's actions. For example: I will shop at the store this weekend. In this sentence I is the subject and will shop is the predicate. The verb shop is helped by the auxiliary verb will', and together they form the simple predicate.