“Must have” and “should have” have very different meanings and functions.
Here we have a chance to see them in action.
B1 students will find this video useful.
«In this video we learn the following words and expressions. »
Must have + past participle: used to form deduction about the past
از must have + pp برای نتیجه گیری درباره گذشته استفاده کنید.
Example: I must’ve forgotten to lock the door.
should have + past participle: used to express regrets about the past
از should have + pp برای ابراز پشیمانی درباره گذشته استفاده کنید.
Example: I should’ve asked somebody to double-check for me.
متن این ویدیو را در ادامه بخوانید:
Oh, where’s the monitor? Oh my God. Not again. What happened? I must’ve forgotten to lock the door again. I should’ve asked somebody to double-check for me. Why does this kind of stuff always happen to me?