Marta is back with more Spanish basics and now with even more colorful glasses: today, she's explaining the difference between masculine and feminine nouns.

In this lesson of "Spanish Fundamentals," we will begin to become familiar with Spanish word order and sentence structure.

In this episode, we learn about the words and structures that indicate questions in Spanish- as well as how the intonation of a sentence in Spanish can determine whether it is a statement or an interrogative.

In this lesson of Spanish Fundamentals, we learn about the principles and words that negate sentences in Spanish.

While in English, there is only one form of the second person "you," which can be used to address one or more people regardless of their age or level of familiarity, in Spanish, this is a bit more complicated! Learn about the difference between "tú," "usted" and the various other forms of the second person "you" in Spanish.

Although many languages just have one verb meaning "to be," Spanish has both "ser" and "estar," which are used in different situations. Learn the conjugations of these two verbs and some situations in which each should be utilized.

Although there are rules for conjugating regular -ar, -er and -ir verbs in Spanish, there are also irregular verbs which are conjugated differently. Learn some irregular verbs and their conjugations here.

In this lesson, Marta will show us how to use reflexive verbs correctly in Spanish.

Marta teaches us the correct pronunciation of difficult Spanish letters.

Gabriela gives us an introduction to essential oils, including their diverse benefits and the three families into which they fall.

Gabriela tells us how we can use simple ingredients at home to create an aromatherapeutic concoction.

You can find this song, "El primer Noel" (The First Christmas) by popular Guatemalan artist Gaby Moreno on her Christmas album Posada. Enjoy the official video of this enchanting tune in which the singer's voice combines sweetly with her piano's delicate notes.

Released in 2003, the hit single "Hoy" ["Wrapped" in English] marked Gloria Estefan's return to the charts following a hiatus. Its intriguing music video was filmed at Peru's magical Macchu Picchu.

Here is a ghost story like no other, where the living character seems more scary than her dead counterpart. Who in her right mind would marry a ghost? Well, Gloria Trevi explains it all in the chorus: Ella es una loca, loca, perdida.

María Sol gives us some advice on learning Spanish and tells us about the advantages of studying online. Study live with Maria and other great teachers at GoSpanish.com. Your first five days are free and no credit card is needed.