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In three day's After three days In three days' time After three day's time
has rung; was had rang; would be rang; has been was ringing; is
three days’ time three –days time three day’s time three days time
had rung; was has been ringing; is rang; has been has rung; was
had rang; was has rung; was rang; has been has been ringing; is
three time a year three times a year three times year three time year
rang; was has rung; was rang; is has rung; is
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three quarter of an hour time three quarters of an hour time three quarter of an hour's time three quarters of an hour's time
after three day’s time in three day’s time after three days in three days’ time