He will have painted the walls by tomorrow.
He must have painted the walls by yesterday.
Does each one have two different connotations?
So, if we have four different likelihood meanings, would you show me with an example?
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Nima, you still don't format the questions. Also, don't tweak the same question again and again. ell.stackexchange.com/questions/19333/…– Maulik VCommented Mar 18, 2014 at 12:45
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I am so sorry. As I did not want to confuse you and my self, I had to ask it here.– nimaCommented Mar 18, 2014 at 12:54
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would you please answer me?– nimaCommented Mar 18, 2014 at 12:54
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What are the two meanings for "must have"?– D_BesterCommented Mar 18, 2014 at 13:27
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In (1) you know that it did not happen. You are stating that there was good reason for it to happen, but something went wrong. It was a possibility, but did not happen. In (2) you do not know whether it happened. You are stating that there was good reason for it to happen. It was a possibility, but you do not know what happened.– nimaCommented Mar 18, 2014 at 13:54
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1 Answer
"Will have" expresses future deduction and "must have" expresses past deduction. Examples:
Bob is going to paint the kitchen on Tuesday. You are arriving on Wednesday. He will have painted the kitchen by the time you get here.
The walls are still wet. He must have painted the kitchen already.
