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Louisa is still at Palma, so why is the answer can't have seen her instead of couldn't have seen her?
SandraedcLouisa is still at Palma, so why is the answer can't have seen her instead of couldn't have seen her?

Couldn't have seen was not one of the options given.

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i got 5/6 for the first time in website, nice... wahaha

#1 can be one person speaking both lines: "I'm freezing." She paused. "You appear to have dressed more appropriately."

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I received a five out of six . I wonder if anyone can answer this question. If the word "can't" is a shortened version of the present tense word "cannot", how can it be combined with the word seen (which is past tense). On number 3, the question is: "Louisa is still in Palma, so you weren't able to see can't have seen her at the library.". I could understand the word "couldn't" or "could not" have seen, but "can't" have seen? Is it possible we as readers don't have enough information about the context-or conversation-that is taking place in the assumed (present tense)? Please explain so I can better understand this conundrum. Thank you!

lime air 279I wonder if anyone can answer this question. If the word "can't" is a shortened version of the present tense word "cannot", how can it be combined with the word seen (which is past tense).

Seen is not the past tense of see. It is the past participle. The past tense of see is saw.

The past participle is used in the perfect modal verb tenses (modal + have + past participle).

TanitFrom: Evans, V. (2002) CPE Use of English 1 for the Revised Cambridge Proficiency Exam: Student's Book. Express Publishing.

The quiz is from the Cambridge test. That is based on British English. British English has its differences with American English. It may be that where you live you have never used, "can't have seen." These are all quotes from British newspapers:

I'm sure it can't have gone unnoticed that the building needs a significant amount of work to bring it up to an acceptable standard.
This sort of leftie Situationist stuff can't have gone down too well in Leeds, which at the time, they acknowledge, was packed full of fascists.
She can't have been more than twenty, and her uniform was baggy on her small frame.
Saturn's moon Enceladus spews out watery geysers today, but it can't have done so continuously throughout its lifetime, as there is no heat source to power the activity for so long.
You can't have seen either of the last two films then.

Thank you so much! I, and most people I speak with, don't use some of these phrases. Because of this, they sound incorrect. Now that I have seen the phrases, I will be trying to incorporate them into my conversations. I could definitely use help with my vocabulary. Thanks again!

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Why is it gramatically wrong to answer this way?
5. 'Do you think Sally will be offered a place at the University?'
'Definitely; in fact, she's very likely ---to be gettingthat she will getthat she getsto get the scholarship.'
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