John to Mary wa gakusee "desu". John and Mary "are" students.
Kore wa pen "desu". This "is" a pen.
In English, you have to conjugate the verb "be" depending on the type of subject; i.e. 'I", "you", "she", "he", "it", "they". In Japanese, however, you don't have to do that. You can use "desu" for every subject. That's pretty simple, right?
Comments
"Desu" in "Onamae wa nan desu ka" corresponds to "is" in "What is your name?" in English.
Watashi wa sensee "desu".
I "am" a teacher.
John to Mary wa gakusee "desu".
John and Mary "are" students.
Kore wa pen "desu".
This "is" a pen.
In English, you have to conjugate the verb "be" depending on the type of subject; i.e. 'I", "you", "she", "he", "it", "they". In Japanese, however, you don't have to do that. You can use "desu" for every subject. That's pretty simple, right?