推荐回答（4个）
On time及In time都是形容词，意思是准时、按时、没迟到等。但在英文句子的用法及结构中却不一样。（1）On time：一般用在句子后或最后两个字。On time的用词是当一件事准时发生，事情是按计划而发生的。（2）In time：英文句子结构是——in time＋动词或某些情况 例句︰1、“I’ll meet you at 7:30 tonight。”“Okay,but please be On time.”“我今晚七点半见你。”“好的，不过请准时。”（第二者提醒第一者别迟到。） On time的反义词是late（迟到）。 2、I’ve sent a birthday greeting card for Jill’s birthday.I hope it will arrived in time before her birthday. 我已经寄了一张生日卡给Jill，希望那张卡会在她生日前准时寄到。（赶得及寄给Jill。） 3、I must hurry.I want to get home in time to watch the football final match. 我一定要快。我要准时到家看足球决赛。（赶得及看球赛。
准时:
on
time
做某事是：do
sth
准时做某事不是一个词组：do
sth
on
time
he
eats
breakfast
on
time
every
day
他每天准时吃早点
这里的eats是现在是表示重复性的动作
网采纳
do sth on time
例如：go to school on time.
准时去学校。
…on time,例如I can do homework on time.求采纳
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