Present simple tense - negative form

The present simple

Negative sentences

let's review

The Present Simple tense is the most basic tense in English and uses the base form of the verb (except for the verb be). The only change from the base is the addition of "s" for third person singular (he, she and it).

The affirmative form of the PS.

The PS is used to talk about daily routines that refer to the activities we do regularly.

Negative form of the present simple tense

O1

Negative Sentence

Auxiliary verbdo does

verb(infinitive)

Subject

complement.

not

IYou We You They

do notdon't

work

in a factory.

I do not (don't) speak English.You do not (don't) work in a factory.We do not (don't) eat apples.

Negative Sentence

Fijémonos en que a la 3ª persona del singular de la forma negativa no se le añade ninguna -s al final del verbo ya que esta ha sido añadida con la forma does en el auxiliar.

Auxiliary verbdo does

verb(infinitive)

Subject

complement.

not

3rd person singularHe She It

work

does notdoesn't

in a factory.

(note that there's no -s)

She does not (doesn't) speak English.He does not (doesn't) work in a factory.The dog does not (doesn't) eat apples.

Negative Sentence

I am not (I´m not) a student.He is not (isn't) my friend.They are not (aren't) friends.

Verb to be

Verb to be(conjugated)

Subject

not

complement.

am

a student.

-------------------------------

You

are

-------------------------------

my friend.

He She It

not

is

-------------------------------

You We They

friends.

are

affirmative vs negative

We always use the base form of the verb. It does not matter the subject.

Complement

Verb

We use the base form of the verb.For 3rd person singular (he, she, it), we need to add an -s

Complement

Not

DoDoes

Verb

Auxiliary verb

Subject

Subject

Use of the Present simple tense

We can use the present simple tense to express:general truths and scientific facts (something that is always true).

1. Water boils at 100 °C.
2. Water freezes at 0° C.
3. The human body contains 206 bones.
4. Dogs have four legs.
5. Two and two make four.
6. The Earth moves around the sun.

LEt's Practice!

Water boils at 0°C.

Water does not (doesn't) boil at 0°C. It boils at 100°C.

The human body contains 20 bones.

The human body ____ ____ 20 bones. It ____ 206 bones.

The sun rises at night.

The sun ____ ____ at night.It ____ in the morning.

LEt's Practice!

Two and two make seven.

Two and two ____ ____ seven. Two and two ____ four.

The Sun moves around the Earth.

The Sun ____ ____ around the Earth. The Earth ____ around the Sun.

Fish have legs.

Fish ____ ____ legs. They ____ fins.

LEt's Practice!

Animals give oxygen.

Animals ____ ____ oxygen. Plants and trees ____ oxygen.

The sky is green.

The sky ____ ____ green. It ____ blue.

The Moon rises in the morning.

The Moon____ ____ in the morning. It ____ at night.

Activity 2

1. Enter the link I just send on the chat box.

https://padlet.com/emilydanahe/umoi2f1f3bez5t6j

2. On the internet, look for another example of a general truth or a scientific fact.

3. Go back to the padlet and write your example.Remember to write your name.

4. After all of you have written your example, each one of your have to write a comment on one of your classmate's example.

5. Write your example on your notebook.Also write the negative sentence of the person that commented your example.

thanks