Complete the second sentence so that it means the same as the first1) i’ m almost sure you left your phone in the restaurant. you left your phone in the restaurant. 2) why didn’t you tell me it was your birthday? youme it was your birhday!

1) You must have left your phone in the restaurant.

In this sentence, it is appropriate to use the modal verb must with a past reference to imply a degree of certainty, like the phrase in the original sentence almost sure. In this respect, the modal verb is used to express a high level of possibility.  

2) You should have told me it was your birthday.

In this case, the modal verb should along with have told expresses an advice with a past reference. The modal verb should is always related to the function of giving advice.  

once upon a midnight dreary, while i pondered, weak and weary,

explanation: