Holly W.

The subjunctive in English is difficult to recognize because it does not have a distinct form like in other languages, such as Spanish.

In academic writing, the concept of a topic sentence is very important.

This can be a new concept for students because it has applications in other fields, such as biology, but a specific use in the field of linguistics.

The concepts of phones and phonemes is often difficult for students to make, particularly because they are described the same way and are related because they are both language sounds.