Now that you have worked through a lot of material that includes these basic patterns, and you have compared grammatically correct and incorrect sentences, write down what you think is a rule that could explain what makes a sentence grammatically correct or not. For example, you might write something like: "verbs always match nouns in number, and they usually come before the noun." In other words, make your best guess for the grammar rule that makes sense out of the pattern(s) you see in the phrases you have been working with. Review if you need to, and you might briefly check your hunches against the sentences you have been working with in this or previous modules. Keep in mind that what you're after is your hunch, not a grammar rule from a text book. Now check your hunch with the explanation of this principle in the following pattern.
After analyzing the material and comparing grammatically correct and incorrect sentences, I have come up with the following rule:
"Every sentence should have a subject and a verb. The subject is typically a noun or a pronoun and it usually comes before the verb."
This rule is based on the observation that all the correct sentences I have encountered so far have a clear subject and a verb that agrees in number with the subject. Moreover, the subject tends to be placed before the verb in most cases.
Now, let's see if my hunch aligns with the explanation of this principle in the following pattern.