Raqamli iqtisodiyot va axborot texnologiyalari” kafedrasi 5234100 – “Raqamli iqttisodiyot” ta’lim yo’nalishi ­­­­ fanidan

SHORT ANSWER FORMS ( + / – ) : YES / NO + Subject + did / did not (didn’t)

POSITIVE(+)	NEGATIVE(-)	POSITIVE QUESTION (?)	NEGATIVE QUESTION (?)
He listened	He did not (didn’t) listen	Did he listen	Didn’t he listen
She listened	She did not (didn’t) listen	Did she listen	Didn’t she listen
It listened	It did not (didn’t) listen	Did it listen	Didn’t it listen
I listened	I did not (didn’t) listen	Did I listen	Didn’t I listen
You listened	You did not (didn’t) listen	Did you listen	Didn’t you listen
We listened	We did not (didn’t) listen	Did we listen	Didn’t we listen
They listened	They did not (didn’t) listen	Did they listen	Didn’t they listen

ATTENTION! Any auxiliary verbs aren’t used in positive sentences and the second form of the verb is used. ‘ Did or did not’ is used as a auxiliary verb in negative and question sentences and the verb remains simple.
Common tense markers:
Ago / Yesterday / Last week, night, year, summer / Two days, four years ago/ In the past / The day / before yesterday / in 2000 / in September, etc.
Examples:

• 
  Did you watch the news last night?
  
• 
  Didn’t they go to the party yesterday?
  
• 
  She didn’t read the book.
  
• 
  He drew beautiful pictures last week.
  
• 
  I learnt Spanish last summer.
  
• 
  Did you give the present to your friend? Yes, I did.
  
• 
  We didn’t buy a new car.
  
• 
  There were some problems.
  
• 
  You were angry.
  
• 
  The child was so hungry.
  

Notes:
We also use a question word (Who, What, Why etc.) in past tense.
Question Words (who, what, why, etc.) + did + subject pronoun ( he, she, it, I, you, we, they) + V1 ( First Form of Verb )
0r
Question Words (who, what, why, etc.) + V2 ( Second Form of Verb )+ object pronouns ( me, you, him, her,it, us, them)
Examples:

• 
  Where did you stay last night?
  
• 
  When did she go to the school?
  
• 
  Why did she cry?
  
• 
  Who gave you this gift ?
  
• 
  What made you angry?
  

USING OF SIMPLE PAST TENSE:
1. Simple Past Tense expresses completed actions in the past.
Examples:

• 
  They walked on the beach yesterday.
  
• 
  I met him when she was in London.
  
• 
  He went to Paris two days ago.
  
• 
  We saw him Last Sunday.
  
• 
  I heard a terrible explosion last night.
  
• 
  When she arrived the home, your son was reading a book.
  
• 
  Lisa watched a romantic movie yesterday.
  
• 
  Did you visit your grnad father?
  
• 
  Didn’t she study very hard for the exam?
  
• 
  We didn’t enjoy the trip.
  
• 
  Michael wrote her a letter last week.
  
• 
  They didn’t forget to turn off the light.
  
• 
  Paul answered the question correctly.