curriculum/challenges/english/blocks/learn-about-speculation-and-requests/67ee6c41bd9153181174d0de.md
Listen to the audio and complete the sentence below.
Oh, I see. I BLANK have BLANK the requirements more carefully.
should
It's a modal verb used to give advice or talk about past mistakes.
checked
It's a base verb (check) in the Past Participle.
Should have + Past Participle is used to say that something was a mistake or should have been done differently. For example:
You should have saved your work. - The work was not saved, and now it's lost.
Mark says he should have checked the requirements more carefully as he didn't do it properly.
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