The document summarizes the past simple tense in English. It discusses the formation of regular and irregular past simple verbs. It notes that the past simple form does not change based on subject, except for the verb "to be". It then lists some common time expressions used with the past simple tense, such as "at", "on", "in", "yesterday", "last week/month/year", and "ago". Finally, it explains that the auxiliary verb "did" is used to form negative sentences, questions, and short answers in the past simple tense.

1. Affirmative, negative, question, and short answer
Past Simple

2. Past Simple Affirmative
Form
 The past simple is formed by adding –ed to the infinitive of regular verbs
started, finished
 Regular verbs ending in –e just add –d
arrived, decided
 There are many irregular verbs
be=was/were
do=did
have=had
Note: most dictionaries have a list of irregular verbs. In your book, there is a list on
page 80.

3. The form of the past simple does not change:
I/ We/ You/ They worked late.
He/ She/ It
Except BE:
I/ He/ She/ It was at home.
We/ You/ They were here.

4. Use
The past simple has the following uses:
Events that happened at a definite time in the past.
They arrived last Tuesday.
The meeting was last week.
Finished actions and events.
The project started in March and finished last
month.

5. Some Key
Words
at + clock time
• I began working today at 3:00 PM.
on + day/ date
• She started her new job on Monday.
• His birthday was on June 7.
in + the morning/ afternoon/ evening/ month/ season/ year
• We purchased some ítems in the morning.
• He did business with them in 2018.
yesterday, last week/ month/ year
• He called yesterday.
• We met last month.
Ago
• They bought the company many years ago.

6. Past Simple Negative, Question, and Short
Answer
The auxiliary verb DID (the past tense of DO) is used for negative sentences,
questions and short answers.
 I didn’t see you at the meeting yesterday.
 Did you enjoy the meal?
 What did you have to do?
 Did you go to the conference?
 Yes, I did.
 Did Glenn go?
 No, he didn’t.