Sentence examples for It should have from inspiring English sources

The phrase "It should have" is correct and commonly used in written English
Here are some examples of when you can use this phrase: 1. To express regret or disappointment about something that did not happen in the past: - "I should have studied harder for the exam. Now I regret not doing so." - "They should have listened to my advice. But now it's too late." 2. To make a suggestion or recommendation for something that could have been done differently in the past: - "You should have told me about the change in plans earlier. It would have saved us a lot of trouble." - "The company should have invested in better technology. It would have improved their efficiency." 3. To express an expectation or assumption about something that is likely to have happened by now: - "They should have arrived at the airport by now. I hope they didn't miss their flight." - "The package should have been delivered by today. I wonder what's causing the delay." So, basically, "It should have" is used when talking about something that was expected or recommended to happen in the past but did not happen.