we have not met Mr Bysky last monday from on since

SINCE...AS there is certain tym.
10 years agoHelpfull: Yes(12) No(0)
correct sentence it we have not met Mr. Bysky Since last Monday.

if we use on then...sentence should be..
we did not met Mr. Bysky on last Monday..
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ans-on
because given sentence is in present perfect tense not in present perfect continuous tense and on is used before day
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ans. i since
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since because time is defined.
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since
have/has+3rd form of verb+....
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since ,because time is specified
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from last sunday
9 years agoHelpfull: Yes(1) No(2)
'on' comes before specific 'days'
10 years agoHelpfull: Yes(0) No(4)
since is suitable and last monday is specified time
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on...because day is specified...
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We have not met Mr. Bysky ON last monday. because SINCE comes from "YEARS". From comes specific Starting point for movement. Days tell us "ON" . Final answer is ON
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since..suits well
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since as it uses last
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we have not met Mr. Bysky __________ last monday.

from
on
since