This document summarizes some basic English verb tenses and structures: 1) It introduces the verb "to be" (am, is, are) for affirmative and negative statements and questions. 2) It explains the present continuous tense using the verb "to be" plus the verb ending in "-ing" to describe ongoing actions. 3) It describes the present simple tense using the base verb form or adding "s" for third person singular to express frequent or habitual actions. 4) It shows how to form negative statements in the present simple using "don't" or "doesn't" plus the base verb form.

1. Basic themes of English

2. ÍNDEX:
VERB TO BE
VERB TO BE INTERROGATION
PRESENT CONTINUOUS
PRESENT SIMPLE
PRESENT SIMPLE NEGATION

3. VERB TO BE: (AM, IS, ARE)
 AFIRMACION:
I am
He
She is
It
We
You are
They
 NEGACION:
I am not
He
She is not
It
We
You are not
They

4. VERB TO BE INTERROGATION:
 Se empieza por:
verb to be + subject + complement ? =
reply
Am I late? No, you aren´t
Is she at home? Yes, she is
Is he English? No, he isn´t
Is your mother at work today? No, she isn´t
Are we expensive? No, we aren´t
Are you tired? Yes, I am
Are these your shoes? Yes, they are

5. PRESENT CONTINUOUS:
 El presente continuo es un
hecho o acción que se esta
realizando en curso.
subject + verb to be + verbo – ing
I am working
She is walking
He is running
It is raining
We are having
You are listening
They are doing

6. PRESENT SIMPLE:
 El presente simple se usa para expresar cosas que ocurren con frecuencia.
Subject + verb (3° person “s”) + complement
I like films.
He works very hard.
She speaks four languages.
It costs a lot of money.
We read a lot.
You meet a lot of people.
They smoke ten cigarettes a day.

7. PRESENT SIMPE NEGACION:
 En la negación del presente simple se I don´t drink tea.
usa:
We don´t know many people.
I You don´t speak English very well.
We They don´t like tea.
You don´t He doesn´t do anything.
They She doesn´t smoke.
It doesn´t like football.
He
She doesn´t
It
Subject + p.s - + verbo + complemento