This document provides information about the present simple tense in English. It discusses how the present simple tense is used to describe regular or repeated actions, facts, and things that are generally true. It provides examples of affirmative and interrogative sentence structures in the present simple tense. It also covers formation of negative sentences and the grammatical rules for adding "-s" or "-es" to verbs in the third person singular.

1. Gabriela Acosta
David Canelón
Rafael Pérez

2. UNIDAD I
PRESENT SIMPLE TENSE
The simple present tense in english is used to describe an action that is
regular, true or normal.
 We used the present tense:
• For repeated or regular actions in the present time period
Example:
I take the train to the office everyday.
John sleeps eigth hours every night during the week.

3. • For facts:
The president of the USA lives in the white house.
A dog has four legs
• For habits:
I wake up early every day.
Carol brushes her teeth twice a day.
• For things that always / generally true
It rains a lot in winter.
The queen of england lives in Buckingham palace

4. Present simple tense affirmative form:
Subject + Verb Infinitive + Complement
Ex. We work at the office.
She plays guitar.
Present simple tense interrogative form:
Aux Do/Does + Subject + Verb Infinitive + Comple. + ?
Ex. Do you work at the office?
Does she plays guitar?

5. Affirmative answer:
Short: Yes, I do.
Long: Yes, I work at the office.
Negattive answer:
Short: No, I dont.
Long: No, I dont work at the office.
Present simple tense negattive form:
Subject + Aux Do/Does + Not + Verb Infinitive + Comple.
Ex.
I do not ( don’t ) eat vegetables.
He does not ( doesn’t ) walk at the school.

6. Grammatical rules for the 3rd person singular:
With singular verbs in infinitive form, we add an (-s)
Ex. Walk –Walks Sit – Sits
Exeptions :
• When the verb in infinitive form end in a consonant + “Y”, we change
the “Y” for an “I” and add –es
Ex. Cry – Cries Fly – Flies
• When the verb ends in a vowel + “Y” we respect the base rule
Ex. Enjoy – Enjoys Stay – Stays
• When verbs in infinite which ends in –s, -z, -ch, --x, we add –es
Ex. Buzz – Buzzes Watch -Watches