Subject
(nouns or pronouns) |
+
|
To be
(am/is/are/was/were/will be) |
+
|
Adjective
|
+
|
Infinitive
|
Affirmative
|
Negative
|
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Subject
|
used
to
|
verb
|
Subject
|
did not (didn't)
|
use
to
|
verb
|
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I/You/He/She/
It/We/They |
used to
|
listen
|
to the radio?
|
I/You/He/She/
It/We/They |
didn't
|
use to
|
listen
|
to the radio
|
Yes/No
questions with Used to
|
Short
answers
|
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Did
|
I/You/He/She/
It/We/They |
use to
|
listen
|
to the radio?
|
Yes, I/you/he/she /it/we/they did.
|
No, I/you/he/she/ it/we/they didn't.
|
Information
questions with Used to
|
||||||||||
Wh-word
|
did
|
subject
|
use to
|
verb
|
|
|||||
When
Why Where How long |
did
|
I/you/he/
she/it/we/
they
|
use to
|
keep
|
the old toys?
|
|||||
But: Who used to keep the old toys?
|