The problem arises with your subject, not with your verb. You have intertwined by implicitly describing calm with modifiers that they present as both singular and plural: although you are probably already familiar with the basic subject-verbal agreement, this chapter begins with a quick revision of the basic agreement rules. The remainder of this work, including error dynamics, paramedics, limit definition and proof of the stability of the adaptive robust controller, was discussed in depth in  and the other important releases mentioned in  to . The rest of this teaching unit deals with some more advanced rules of the subject verb agreement and with exceptions to the original subject-verbal chord rule The rest of one something is unique: a single piece or a part or a break, but the integration of [the list] implies that rest is plural, part of a longer list and therefore a collection of something. In informal writing, neither take a plural verb, so these pronouns are followed by a prepositionphrase that begins with. This is especially true for interrogation constructions: “Did two clowns read the mission?” “You`re taking this seriously?” Burchfield calls it “a conflict between the fictitious agreement and the actual agreement.” However, sometimes a prepositional sentence inserted between the subject and the verb complicates the concordance. Indeterminate pronouns can pose particular problems with the cremation agreement of subjects. The rules of the subject verb agreement apply to all personal pronouns, except me and you, which, although SINGULAIRE, require plural forms of verbs. The rules of agreement do not apply to assets when they are used as a useful second verb in a couple. In English grammar, the subject-verbal agreement is the correspondence of a verb with its subject in person (first, second or third) and in number (singular or plural). It is also known as the subject-verb concord.
These rules of agreement do not apply to verbs used in the simple past without helping verbs. You can say that something like the topics that have been discussed in the rest of this work, including [the list], have been discussed…; OR Sometimes modifiers come between a subject and its verb, but these modifiers should not confuse the match between the subject and his verb.