The Syllabus for esp students in business field Prepared by the First year master Student, Murtazakulov Odiljon, 2023 Introduction

Should we bring anything to the party?

Should I sign up for a gym membership?

When should I submit my assignment?

Where should we go for our next vacation?

The negative form
The negative of should is should not or shouldn’t + base form.

• 
  You shouldn’t eat too much sugar.
  

Should can also be used to express expectations. In this context, there is no sense of recommendation.

• 
  The train should be arriving soon.
  
• 
  Siji should be home any minute now.
  
• 
  The test shouldn’t take longer than an hour.
  
• 
  The flight shouldn’t cost more than $400.
  

The past form
The past form of should is used to express a mistake or missed opportunity. In this context, the past action did not happen, which leads to an attitude of regret or criticism. The past is formed by using should have + past participle.

• 
  I should have studied for the test (but I didn’t).
  
  • 
    I didn’t study, and I regret it.
    
• 
  Amanda should have told me the event was cancelled.
  
  • 
    Amanda didn’t tell me that the event was cancelled, and I’m criticizing her for it.
    

If the past form of should is negative, then an action did happen, which leads to an attitude of regret or criticism.

• 
  I should not have bought this expensive jacket!
  
  • 
    I bought an expensive jacket, and I regret it.
    
• 
  Julie shouldn’t have told everyone her friend’s secret.
  
  • 
    Julie told the secret, and the speaker is blaming her for it.
    

Asking a question
It is possible, although not very common, to ask a question using the past of should. In this case, the speaker is asking for advice about a missed opportunity or possible mistake.

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