Present Simple Tenses

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                                                     Present Simple Tenses

             To form the Present Simple Tense we use the verb's base form (go, work, speak, study). In 3^rd person singular (he, she, it), the base form of the verb takes -s/es. (Auxiliary verbs "be," "do," "have", which can also be used as main verbs, are exceptions.)

 Examples                                                                  

            1. Philip gets up at 6 o'clock every morning.                                                                  
2. I go to school every day.
3. She sometimes goes out on Friday night.
4. I usually sleep late on Sunday morning.
5. Peter works for 8 hours every day.
6. We usually start work at 8 o'clock.
7. My children often watch TV in the afternoon.
8. He always forgets his keys.

   Affirmative form                                                                                   I                                                                     
you                 work
we
they

he/she/it     works /-s/

    Examples                                                                                                   
1. I work in a bank.
2. Kate speaks English very well.
3. Tom lives in London.

   1. People make choices because they can't have everything they want.
2. Nurses work in clinics and hospitals.
3. Football is a very popular sport in Bulgaria.

go - goes /-es/
watch - watches /-es/
play - plays /-s/
study - studies /-es/

    Examples

           1. The Earth is spherical.
2. My birthday is in May.
3. California is in the Unated States.
4. The sun rises in the east.
5. Water freezes at 0°C (32°F).
! Remember:
to be
I/you/we/they are
he/she/it is

    Examples

          1. We arrive in Rome at 6 p.m.
2. The train leaves in five minutes.
3. The course starts next Thursday.
to do
I/you/we/they do

          he/she/it does
to have
I/you/we/they have
he/she/it has

    Examples                                               

            1. She loves jazz music.
2. My aunt hates travelling by train.

3. I like ice cream. I don't like spinach.
4. I think she is a wonderful person.
5. Do you believe in God?
6. I have no money at the moment.
7. My brother has a new car.
8. That bicycle belongs to me.                                                                                   
Negative form
I
you      DO NOT /don't/
we           WORK
they
he/she/it    DOES NOT                                                             
              /doesn't / WORK
1. She doesn't often go to the cinema.
2. I don't get up early at the weekend.
3. They don't speak English very well.
 Interrogative form
               I
DO       you       WORK?
             we
             they
DOES   he/she/it    WORK?
1. Do they speak foreign languages?
2. Do you want a banana?
3. Does your sister play the piano? 

Questions and short answers:
Do you like spaghetti?
Yes, I do.
No, I don't.
Does she know Bulgarian?
Yes, she does.
No, she doesn't.

       The Present Simple Tense is also used in :sentences after "when", "after", "while", "till" / "until", "before", "as soon as" - When the rain stops, we'll go out.
I'll call you back as soon as I return home. zero conditional sentences (when the result of the condition is always true) - If you heat water to 100°C (212°F), it boils.first conditional sentences (Often called the "real" conditional because it is used for real (or possible) situations. These situations take place if a certain condition is met.) - If you finish your homework I'll bring you to the zoo.

Exercise
      Present Simple Tense
Write the correct form of the verb in each sentence. 1. John ______________ (play/plays) soccer.
2. They ______________ (don’t/doesn’t) study after school.
3. We _______________ (take/takes) the metro to the office every day.
4. What ___________ (do/does) you want to study?
5. On Tuesdays, I _________ (go/goes) to the mall.
6. Terry ___________ (play/plays) soccer; he _________________ (practice/practices)
    every day.
7____________ (Do/Does) Lucy ride her bike to school, or ___________ (do/does) she
    take the bus?
8. On Sunday, he ____________ (don’t/doesn’t) read the newspaper.
9. Where _____________ (do/does) they work?
10. How ____________ (do/does) you spell your name?

 

Make questions with the word groups, using (do) or (does).

      1. (Where/she/live) _________________________________________________________?
2. (When/you/play/soccer) ____________________________________________________?
3. (What/he/eat/for/lunch) ____________________________________________________?
4. (When/they/come/home/from/school)_________________________________________?
5. (she/want/to/work/in/the/office) _____________________________________________?
6. (your/mother/take/you/to/school)_____________________________________________?
7. (What/time/you/get/up)____________________________________________________?
8. (Where/your/father/work) __________________________________________________?
9. (Julia/live/in/Colorado) ____________________________________________________?
10. (How/Juan/and/David/go/to/school)___________________________________________?

Reference
http://www.englishclub.com/grammar/verb-tenses_present.htm

http://www.englishtenseswithcartoons.com/tenses/present_simple