Simple present

Simple present is used to describe actions that can be routines (the action is repeated), true facts (the action was true, is true, and will be true in the future) and generalizations (it does not matter if the fact is correct).
I
I’m
am
is
are
are

Verb “to be” the verb “to be” has an irregular conjugation.
YOU

YOU,WE,THEY
HE,SHE,IT
She’s, he’s, it’s
You’re
You’re, we’re,they’re
Contracted
Form
The verb “to be” can be follow by:
V. to be + Adjective = You are fat.
V. to be + art. + Noun = I am a student.
V. to be + Location = My bag is under the table.
V. to be + Age = She is 20 years old.
Affirmative sentencesthe structure is: subject + verb + complement.
Cats are nice pets
S V C

Negative sentences the structure is: subject + verb + not + complement. In this case, we can also use the contractive form of the verb plus not: isn’t/aren’t.
Mabel is not here
S v + not C
Interrogative sentences the structureis: verb + subject + complement + question mark (?).
Are you from Bolivia ?
V S C Q.M.
Examples:
Affirmative sentences | Negative sentences | Interrogative sentences |
I am German | I am not a man | Am I on time? |
You are always late | you are not a nurse | Are you 16 years old? |
He is old | He is not handsome | Is he a good father? |
She is hereright now | She is not an actress | Is she a married? |
It is Thursday | It is not mine | Is it expensive? |
You are very tall | We are not singers | Are you athletes? |
We are at home | You are not pretty girls | Are we right? |
They are sick | They are not lovers | Are they sad? |

“Other verbs” to form the present simple tense with other verbs, for example (go, make, study) inthe 3rd person singular (he, she, it) we add to the verb s/es. To do negative and interrogative sentences we need auxiliaries Do/Does.

Affirmative sentences the structure is: subject + verb + complement.
I work every day
S V C
The moon goes around the earth
S V C

Negative sentences thestructure is: subject + auxiliary Do/Does + not + verb + complement. We can also use the contractive form on the auxiliary plus the verb: don’t/doesn’t.
She does not need help
S Aux. + not V C

Interrogative sentences the structure is: auxiliary Do/Does + subject + verb + complement + question mark (?).
Do they drink coke ?
Aux.S V C Q.M.
Examples:
Affirmative sentences | Negative sentences | Interrogative sentences |
I usually wake up late on Sunday | I do not speak either Korean nor Mandarin | Do I usually look well? |
You always forget your keys | You do not have money at the moment | Do you want a piece of cake? |
Tomas works at the central bank. | He does not like oriental food | DoesLuis want to go the party? |
Pamela loves rock music | She does not do exercises | Does Ana feel bad? |
It rains a lot in February | The sun does not rises in the west | Does it run? |
We watch TV every morning | We only read the newspaper | Do we set the table? |
You wake up at 6 o’clock every morning | You do not study a lot | Do you like your new house? |
They eat fish on Sundays| They do not live in Punata | Do they understand our language? |

Notes:
* In the negative and interrogative sentences we do not add s/es to the verb at the 3rd person because we are using the auxiliaries do/does.
* To add s/es it is necessary to see the end of the verb, for example:
* If the verb ends in: ss, sh, x, o, ch, we add -es to the base form:
-kisses -catches...