The document discusses the auxiliary verb "did" and how it is used to form questions, negatives, and affirmative statements in the past tense. It provides examples of interrogative, negative, and affirmative sentences using "did" and explains that the main verb must be changed to the past tense in affirmative long sentences. The document also mentions regular and irregular verbs and includes a bibliography of English learning websites.

1. E N G L I S H
Teacher
Osiris
Aponte.
Mail:
osiaponte@gmail.com
April, 2021

2. AUXILIARY VERB DID
PAST TENSE
• You use past tense:
• When you talk about a
past action.
• When you mention
something that happened
a long time ago.
• When you talk about
your chilhood.
Did you do
the
activities
yesterday?
Teacher, Osiris Aponte. April, 2021

3. AUXILIARY VERB DID
PAST TENSE
Interrogative
Did You buy coffee?
Negative
I didn´t buy coffee
Verb in
Infinitive
without to
Auxiliary
Verb Did
Subject
Verb in
Infinitive
without
To
Negative Auxiliary
Verb
Subjec
t
Teacher Osiris Aponte. April, 2021

4. AUXILIARY VERB DID
PAST TENSE
Affirmative long
sentences
Subject Verb in Past Tense
(Yes
)
I bought (coffee yesterday)
Please, remember, the main verb must be changed to past tense.
Teacher Osiris Aponte. April, 2021

5. REGULAR AND IRREGULAR VERBS

6. BIBLIOGRAPHY
• www.allright.com
• www.brainlang.com
• www.duolingo.com
• www.mansioningles.com
• www.trasteando.com