Question

1) Qual é a alternativa correta segundo o modal to have.

A) *

I have to go to the supermarket

I to go go supermarket

I go to have supermarket

B) *

I to have buy bread

I have to buy bread

I buy bread to have

C) *

I have to go to the doctor

I to go have doctor

I doctor have to go

2) Reescreva as sentenças usando um dos modais... must ou should

A) I think you_____________ see a doctor. *

Sua resposta

B) You__________ study more. I mean it! *

Sua resposta

C) You____________fasten your seat belt, otherwise you will be fined. *

Sua resposta

3) Use uma das alternativas de linking words nas setenças a seguir.

A) The car broke down on the way. …………………… ., I managed to reach in time. *

Certainly

Therefore

In spite of this

B) Everybody had heard of Einstein, ………………… hardly anyone could understand his theory of relativity. *

and

but

of course

C) We like juice __________ we prefer water *

But

And

Of course​

Answer 1

Resposta:

A)I have to go to the supermarket

B)I have to buy bread

C)I have to go to the doctor

Nestes casos o have não é um modal verb,ele está sendo usado para falar de uma obrigação

2)

A)should

B)Must

C)Must

should expressa opinião

Must é usado para falar de algo que você deve fazer,uma coisa que muitas vezes pode causar graves problemas se a pessoa não fizer

3)

A)In spite of this

B)But

C)But

But significa mas

Answer 2

1)

A) ( X )  I have to go to the supermarket.

B) ( X ) I have to buy bread .

C) ( X )  I have to go to the doctor .

2)

A) I think you should  see a doctor.

B) You should  study more. I mean it!

C) You must fasten your seat belt, otherwise you will be fined.

3)

A) The car broke down on the way. In spite of this, I managed to reach in time.

=>  In spite of this

B) Everybody had heard of Einstein, but hardly anyone could understand his theory of relativity.

=> but

C) We like juice but we prefer water  

=> but

Explicação:

Have to

Have to é usado para expressar necessidade de faze alguma coisa

Sujeito + have to +  verbo no infinitivo + complemento.

Ex.: I + have to + go + now. / Eu tenho que ir agora.

Must

É usado em situação em que as pessoas são obrigadas a fazer algo, para evitar uma consequência, normalmente desagradavel.

Sujeito + must +  verbo no infinitivo + complemento.

Ex.: We must finish our homework on time.

Nós devemos finalizar o dever de casa no prazo.

Should

Para dar conselhos sobre situações, recomendações para falar sobre o que  é certo ou errado.

Ex.: I think you should  see a doctor.

Eu acho que você deve consultar um médico.