Vanessa teaches the paired structure “not only…but also” for connecting two related ideas and giving both emphasis. The pattern is useful when a speaker wants to show that one fact is true and an additional fact is true as well. The two parts should be grammatically parallel when possible: “She is not only kind but also patient.” This makes the sentence easier to follow.
The phrase “not only…but also” can connect adjectives, nouns, verb phrases, or complete clauses. For example, “The course is not only useful but also enjoyable” connects two adjectives. A speaker might say, “He not only teaches English but also creates practice videos,” connecting two actions. The structure can sound more emphatic than a simple “and,” so it is most effective when the second point adds meaningful information.
When “not only” begins a clause, English may use inversion, placing an auxiliary verb before the subject: “Not only is it difficult, but it is also rewarding.” Learners should notice this formal pattern and practise it in complete sentences. If “not only” appears later in the sentence, standard word order often remains: “It is not only difficult but also rewarding.” The placement changes the grammar, so learners should use the pattern they have practised rather than combine forms at random.
The lesson repeatedly models examples and invites learners to say sentences aloud. A common error is to omit “but also” or to connect unlike grammatical forms. Another is to use an unnecessary negative verb after “not only.” The pair works together to add a second point; it does not mean that the first point is false.
To practise, choose a topic and add two parallel details. Say, “My neighborhood is not only quiet but also close to the park.” Then try a version beginning with “Not only…” and check whether the auxiliary comes before the subject. Read both versions aloud. The goal is to add emphasis while keeping the sentence balanced and clear.