It should be noted that for a sentence to be grammatically correct, the subject and the verb must either be singular or plural.
It should be noted every sentence must have a subject and a verb. There should also be a proper place for verbs and subjects in a sentence.
It's important to begin a sentence with the subject and it should be followed with the verb and then the rest of the sentence. The subject and the verb must agree with each other in their tenses.
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