In this case, the error is made due to the fact that “lying” is an opative verb, that is, it has no object, while “to pose” is a transitive verb and therefore requires an object. However, it seems that some British and American artists are not very familiar with this verbal classification. To illustrate the situation, let`s look at a few examples: 3. It is therefore our duty to help students move from lexical and intuitive use of the third person S to a more conscious understanding and more systematic use of the underlying systems. If our students make a subject/verb error, we should not automatically consider it a slippage. They may not be aware of the rules, not least because we barely teach them! These are just some of the mistakes made in famous English texts. While it is true that songs can be a valuable tool for learning a language, it is also true that you should know your English grammar well to avoid the risks of learning a wrong way of speaking. If you are looking for a simple way to learn the rules of English grammar, we offer 144 video courses as well as many written and oral exercises that make your English flawless. It therefore seems more sensible to avoid the “singular” and the “plural” when referring to the verb: yes, the subjunctive is a problem for spokespeople for a number of languages. While it is true that the rule is relatively simple in English compared to other languages, the fact is that even English speakers can make mistakes.
In this case, the rule is that the past subjunctive also uses in the singular the plural form of the verb “to be”.