用英语的两种方法表示6点21，9点11,12点30，2点59，7点15,8点25,11点45,4点31

six twenty-one; twenty-one past six
nine eleven; eleven past nine
twelve thirty; half past twelve
two fifty-nine; one to three
seven fifteen; a quarter past seven
eight twenty-five; twenty-five past eight
eleven forty-five; a quarter to twelve
four thirty-one; twenty-nine to five

six twenty-one(thirty-nine to seven)twenty-one past six
nine eleven(forty-nine to ten)eleven to nine
twelve thirty(half to one)half past twelve
two fifty-nine(fifty-nine past two)one to three
seven fifteen(forty-five to eight)a quarter past seven
eight twenty-five(thirty-five to nine)twenty-five past eight
eleven forty-five(forty-five past eleven)a quarter to twelve
four thirty-one(thirty-one past four)twenty-nine to five
[括号里的可能不正确]

twenty one past six
eleven past nine
half past twelve
one minute to 3 o'clock
fifteen past seven
twenty five past eight
one quarter to twelev o'clock
thirty one past four