This document provides examples of how to use auxiliary verbs in English for affirmative and negative statements in the present and past tense. It shows the conjugations for "do/does/did" and "don't/doesn't/didn't" with different subjects in statements and questions. Examples are given for long and short affirmative and negative answers in both present and past tense. Finally, a practice section tests the use of auxiliary verbs in various statements and questions.

1. AUXILIARY
Affirmative
form
(Present)
AUXILIARY
Negative form
(Present)
AUXILIARY
Affirmative
form
(Past)
AUXILIARY
Negative form
(Past)
I Do Don´t (Do not) Did Didn´t (Did not)
You Do Don´t (Do not) Did Didn´t (Did not)
He
She
It
Does Doesn´t (Does
not)
Did Didn´t (Did not)
We Do Don´t (Do not) Did Didn´t (Did not)
They Do Don´t (Do not) Did Didn´t (Did not)

2. DO OR DON´T (DO NOT).
 Do you play the piano? (Você toca piano?)
Affirmative form;
Long answer : Yes, i play the piano.
Short answer: Yes, i do.
Negative form;
Long answer : No, i don´t play the piano.
Short answer: No, i don´t .

3. DOES OR DOESN´T (DOES NOT).
 Does he work everyday?(Ele trabalha todo
dia?)
(S)
Affirmative form;
Long answer : Yes, he works everyday.
Short answer: Yes, he does.
Negative form;
Long answer : No, he doesn´t work everyday.
Short answer: No, he doesn´t .
Obs: acresenta-se “S”, no
verbo quando está na
terceira pessoa do singular
sem o acompanhamento do
auxiliar does.

4. DID OR DIDN´T (DID NOT).
 Did she eat bread yesterday?(Ela comeu pão
ontem?)
Affirmative form;
Long answer : Yes, she ate bread yesterday.
Short answer: Yes, she did.
Negative form;
Long answer : No, she didn´t eat bread yesterday.
Short answer: No, she didn´t .
PAST
Obs: Quando não tem o
auxiliar “did” o verbo é
colocado no passado.
Obs: O verbo volta para sua
forma original pois o auxiliar
“did” o coloca no passado.Present

5. PRACTICE
1-______ your aunt live with you?
2-______ Mary play the piano?
3-______ John watch TV everyday?
4-______you know their phone number?
5-______ we like to horror movies?
6-______ they speak english?
7-______ she go to the school yesterday?
8-______ he work behind at hospital last
month?
9-______ you live near from here last year?

6. LONG ANSWERS
1- Does
2-Does
3-Does
4-Do
5-Do
6-Do
7-Did
8-Did
9-Did
1- Yes, my aunt lives with me.
2- Yes, Mary plays the piano.
3- Yes,John watchs TV everyday.
4- Yes, I know their phone number.
5- Yes, we like to horror movies.
6- Yes, they speak english.
7- Yes, she Went to the school
yesterday.
8- Yes, he worked behind at
hospital last month.
9- Yes, I lived near from here last
year.
1- No, my aunt doesn´t live with me
2- No, Mary doesn´t play the piano.
3- No,John doesn´t watch TV
everyday
4- No, I don´t know their phone
number.
5- No, We don´t like to horror movie.
6- No, they don´t speak english.
7- No, she didn´t go to the school
yesterday.
8- No, he didn´t work behind at
hospital last month.
9- No, I didn´t live near from here
last year.
Affirmative form Negative form