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A2

Must, have to e should: exercícios

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Must, have to e should · A2. Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they.

Pratique Must, have to e should em situações curtas. Leia a pista, escolha ou escreva uma forma e confira a explicação. O nível é uma orientação editorial.

12 questões
Salve para encontrar em Minha coleção.
Mapa de conceitos

Must, have to and should

Começar a praticar
Must, have to and should — Mapa de conceitos
Must, have to and should — Mapa de conceitos

01Obrigações com have to

Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they.

He has to sign in.

02Proibido ou não necessário

Must not significa proibido; do not have to significa não necessário. Os sentidos são diferentes.

You must not park here.

03Conselhos com should

Should + verbo base dá conselho; should not/shouldn’t + verbo base desaconselha uma ação.

You should check the address.

Guia ilustrado

0/12
Questões
01 / 12D01Salve para encontrar em Minha coleção.

The rule says all staff have to wear badges. Nina ___ to wear one too.

Complete the sentence using the have to pattern for obligation.

Sua resposta
1 / 12

Seu caminho de aprendizagem

01
Etapa 1 · Aquecimento

Aquecimento

0/3
02
Etapa 2 · Praticar a habilidade

Obrigações com have to

0/2

Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they.

He has to sign in.
03
Etapa 3 · Praticar a habilidade

Proibido ou não necessário

0/1

Must not significa proibido; do not have to significa não necessário. Os sentidos são diferentes.

You must not park here.
04
Etapa 4 · Praticar a habilidade

Conselhos com should

0/1

Should + verbo base dá conselho; should not/shouldn’t + verbo base desaconselha uma ação.

You should check the address.
05
Etapa 5 · Novos contextos

Novos contextos

0/3
06
Etapa 6 · Um novo desafio

Um novo desafio

0/2
Revisões desta unidade

Transforme erros em aprendizado.

Guarde a primeira tentativa, entenda a mudança e confira em outra situação.

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Mapa da aula

Must, have to e should

A2
Must, have to and should

Pontos da aula

01

Obrigações com have to

Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they.

He has to sign in.
02

Proibido ou não necessário

Must not significa proibido; do not have to significa não necessário. Os sentidos são diferentes.

You must not park here.
03

Conselhos com should

Should + verbo base dá conselho; should not/shouldn’t + verbo base desaconselha uma ação.

You should check the address.

Perguntas e respostas

Abrir uma resposta registra ajuda para essa questão.

D01 · Aquecimento

The rule says all staff have to wear badges. Nina ___ to wear one too.

Complete the sentence using the have to pattern for obligation.

  1. does
  2. has
  3. have
  4. is
Resposta e explicação
has

Observe “The rule says all staff have to wear badges. Nina ___ to wear one too.”. Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they. Frase completa: “The rule says all staff have to wear badges. Nina has to wear one too.”.

D02 · Aquecimento

It is optional to bring lunch. You ___ bring it.

Choose the option that completes the gap in this situation.

  1. do not have to
  2. must not
  3. are forbidden to
  4. cannot
Resposta e explicação
do not have to

Observe “It is optional to bring lunch. You ___ bring it.”. Must not significa proibido; do not have to significa não necessário. Os sentidos são diferentes. Frase completa: “It is optional to bring lunch. You do not have to bring it.”.

D03 · Aquecimento

My advice is to rest. You should ___ a break. (take)

Choose the option that completes the gap in this situation.

  1. to take
  2. takes
  3. taking
  4. take
Resposta e explicação
take

Observe “My advice is to rest. You should ___ a break. (take)”. Should + verbo base dá conselho; should not/shouldn’t + verbo base desaconselha uma ação. Frase completa: “My advice is to rest. You should take a break. (take)”.

P01 · Praticar a habilidade

I ___ to show my ticket before entering. (have)

Complete the gap. Write only the missing word or words.

Resposta e explicação
have

Frase de referência: “I have to show my ticket before entering. (have)”. Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they.

P02 · Praticar a habilidade

The sign says entry is forbidden. You ___ enter.

Choose the option that completes the gap in this situation.

  1. do not have to
  2. need not
  3. are allowed to
  4. must not
Resposta e explicação
must not

Observe “The sign says entry is forbidden. You ___ enter.”. Must not significa proibido; do not have to significa não necessário. Os sentidos são diferentes. Frase completa: “The sign says entry is forbidden. You must not enter.”.

P03 · Praticar a habilidade

For safety, you should not ___ while driving. (text)

Choose the option that completes the gap in this situation.

  1. to text
  2. texting
  3. text
  4. texts
Resposta e explicação
text

Observe “For safety, you should not ___ while driving. (text)”. Should + verbo base dá conselho; should not/shouldn’t + verbo base desaconselha uma ação. Frase completa: “For safety, you should not text while driving. (text)”.

P04 · Praticar a habilidade

Each player ___ to arrive by eight. (have)

Complete the gap. Write only the missing word or words.

Resposta e explicação
has

Frase de referência: “Each player has to arrive by eight. (have)”. Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they.

R01 · Novos contextos

The children ___ to wait for a teacher. (have)

Complete the sentence using the have to pattern for obligation.

  1. have
  2. are
  3. has
  4. does
Resposta e explicação
have

Observe “The children ___ to wait for a teacher. (have)”. Have to expressa obrigação: has to com he/she/it e have to com I/you/we/they. Frase completa: “The children have to wait for a teacher. (have)”.

R02 · Novos contextos

The museum is free today. You ___ pay.

Choose the option that completes the gap in this situation.

  1. do not have to
  2. must not
  3. are forbidden to
  4. cannot
Resposta e explicação
do not have to

Observe “The museum is free today. You ___ pay.”. Must not significa proibido; do not have to significa não necessário. Os sentidos são diferentes. Frase completa: “The museum is free today. You do not have to pay.”.

R03 · Novos contextos

If you want better sleep, you should ___ less coffee. (drink)

Complete the gap. Write only the missing word or words.

Resposta e explicação
drink

Frase de referência: “If you want better sleep, you should drink less coffee. (drink)”. Should + verbo base dá conselho; should not/shouldn’t + verbo base desaconselha uma ação.

X01 · Um novo desafio

Touching the cable is prohibited. You ___ touch it.

Choose the option that completes the gap in this situation.

  1. do not have to
  2. need not
  3. must not
  4. are allowed to
Resposta e explicação
must not

Observe “Touching the cable is prohibited. You ___ touch it.”. Must not significa proibido; do not have to significa não necessário. Os sentidos são diferentes. Frase completa: “Touching the cable is prohibited. You must not touch it.”.

X02 · Um novo desafio

You look ill. You should ___ a doctor. (see)

Complete the gap. Write only the missing word or words.

Resposta e explicação
see

Frase de referência: “You look ill. You should see a doctor. (see)”. Should + verbo base dá conselho; should not/shouldn’t + verbo base desaconselha uma ação.

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