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half past ten about eight ten past six a quarter past two
has fallen had fallen is falling was falling
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had learned have learned learned learning
two day’s；two day’s time；15-year-old two-day；two day’s time；15 years old two-day；two days’ time；15-year-old two days；two-day time；15-years-old
Thousands of Two thousands Thousand of Two thousand of
do does have done has done
the; / an; a the; the /; a
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has attracted attracts attracted will attract
Twenty past eleven. half past two a quarter to seven a quarter to eleven.
since two years for two years ago in the past two years just now
two years old two years old’s two-years-old two-year-old
has fallen had fallen is falling was falling
not having studied having studied having not studied not being studied
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