2. To form sentences in past tense
we use :
Subjec
t + Verb
(in past)
+
Complemen
t
Example
:
Tina Went to the doctor
Affirmative Form

3. Examples:
Mike Wroteletter
Mike Wrote a letter.

4. Lisa flew a plane.
a plane. flew Lisa

5. He sang
a
song.
a
song He sang

6. subject+ Verb
(in pres.)
+compl.
Example
:
TinaDid to the doctor
Interrogative Form
Did
go
?
?

7. Examples:
Mike wrote a letter.
Change this sentence to interr.
form:
Mike write a letterDid ?

8. Lisa flew a plane.
Lisa fly a plane .Did ?

9. He sang a song.
he sing a songDid ?

10. Subjec
t + Verb
(in pres.)
+Compl.
Example
:
Tina go
to the
doctor.
Negative Form
didn’t+
didn’t

11. Examples:
Change this sentence to neg.
form:
Mike writea letter .didn’t
Mike wrote a letter.

12. Lisa fly a plane.didn’t
Lisa flew a plane.

13. He sing
a
song.didn’t
H
e sanga song.

14. Yes
, +
Short answers
+
Affirmative
subject did
Negative
No, ++subject didn’t

15. Examples:
Mike Write a letter?Did
Yes
, he did
No, didn’the

16. TinaDid
to the doctor
?go
Yes
, she did
No, didn’tshe

17. Lisa fly a plane.Did ?
Yes
, she did
No, didn’tshe

18. he sing a songDid ?
Yes
, he did
No, didn’the