This document discusses the structure of affirmative, negative, and interrogative sentences using the verb "to be" in English. It explains that "to be" is an auxiliary verb that can negate itself and is used to form questions. The full and contracted forms of the verb are provided for the affirmative, negative and interrogative sentences using subjects like "I", "you", "she", "we" and examples of complements. It notes that other verbs like "to like" require an auxiliary verb like "do"/"does" to form negatives and questions.

2. EXAMPLES:
• EJEMPLOS:
• I AM A POLICEMAN
• SHE IS NOT HAPPY
• HE IS A TALL STUDENT

3. AFFIRMATIVE FORM STRUCTURE
FULL FORM
• I AM
• YOU ARE
• WE ARE
• HE IS
• SHE IS
• IT IS
• YOU ARE
• THEY ARE
SHORT FORM
• I’M
• YOU’RE
• WE’RE
• HE’S
• SHE’S
• IT’S
• YOU’RE
• THEY’RE

4. AFFIRMATIVE FORM STRUCTURE
FULL FORM
• SHE IS AN “ENSA” STUDENT
• THEY ARE ANXIOUS DURING THE EXAM
• WE ARE THE CHAMPIONS OF THE WORLD
• I AM A GREAT TEACHER
• YOU ARE A VERY GOOD READER
SHORT FORM
• SHE’S AN “ENSA” STUDENT
• THEY’RE ANXIOUS DURING THE EXAM
• WE’RE THE CHAMPIONS OF THE WORLD
• I‘M A GREAT TEACHER
• YOU’RE A VERY GOOD READER

5. AFFIRMATIVE FORM STRUCTURE
FULL FORM
• SUJETO + VERBO TO BE + COMPLEMENT
SHORT FORM
• SUJETO+ ‘ +VERB TO BE CONTRACTION + COMPLEMENT

6. NEGATIVE FORM STRUCTURE
FULL FORM
• SHE IS NOT AN “ENSA” STUDENT
• THEY ARE NOT ANXIOUS DURING THE EXAM
• WE ARE NOT THE CHAMPIONS OF THE WORLD
• I AM NOT A GREAT TEACHER
• YOU ARE NOT A VERY GOOD READER
SHORT FORM
• SHE ISN’T AN “ENSA” STUDENT
• THEY AREN’T ANXIOUS DURING THE EXAM
• WE AREN´T THE CHAMPIONS OF THE WORLD
• I’M NOT A GREAT TEACHER
• YOU AREN´T A VERY GOOD READER

7. NEGATIVE FORM STRUCTURE
FULL FORM
• SUJETO + VERBO TO BE + NOT + COMPLEMENT SHORT FORM
• SUJETO+ VERB TO BE + NOT CONTRACTION + COMPLEMENT

8. INTERROGATIVE FORM STRUCTURE
• IS SHE AN “ENSA” STUDENT ?
•ARE THEY ANXIOUS DURING THE EXAM ?
•ARE WE THE CHAMPIONS OF THE WORLD ?
•AM I A GREAT TEACHER ?
•ARE YOU A VERY GOOD READER ?

9. NEGATIVE FORM STRUCTURE
• VERB TO BE + SUJETO + COMPLEMENT + ?

10. VERBO TO BE: UN VERBO AUXILIAR
• LO QUE HACE DEL VERBO “TO BE” ALGO ESPECIAL Y COMPLICADO DE APRENDER ES EL HECHO DE QUE ES A
LA VEZ UN AUXILIAR, POR ENDE, PERMITE NEGARSE A SÍ MISMO, DEL MISMO MODO SE AUXILIA PARA LA
CONSTRUCCIÓN DE PREGUNTAS Y FORMULAR LA FORMA INTERROGATIVA. ESTE FENÓMENO NO PASA CON
OTROS VERBOS COMO “TOLIKE” EL CUAL NECESITA DE UN AUXILIAR COMO “DO” Y “DOES”: EJEMPLO
• SHE LIKES BIG CARS
• SHE DOES NOT LIKE BIG CARS
• DOES SHE LIKE BIG CARS?

11. FUENTES.
• RECURSO GENERADO POR : PEDROANDRES PEREZ CARDONA,
• LICENCIADO EN LENGUA CASTELLANA INGLES Y HUMANIDADES DE LA UNIVERSIDAD PONTIFICIA
BOLIVARIANA, MEDELLIN COLOMBIA.