第九单元知识点 1. be born 出生，出世。be born的时态：只能用一般过去时 was born 或 were born或将来时，但是不能用一般现在时。 如： I was born on January 1st, 1997. When and where were they born﹖ Another baby will be born next week． 2. A: When were you born? B:I was born （1）in 1982 （2）in April, 1982 （3）on April 3rd, 1982. 口诀记忆in与on的区别： 有 “日”出现就用on， 只有年, 月就用in。 3.international sports stars 国际体育明星 4. start （1）to do sth. (2) doing sth 开始做某事。如: I started to learn English in 2006 I started learning English in 2006 5.stop (1) to do sth. 停下（正在做的事情）去做某事。如：I’m tired .Let’s stop to have a rest. 我累了，让我们停下来休息一下。 （2）doing sth. 停止做某事。如：Stop talking !The teacher is coming !别说话了，老师来了！ 6.for 后跟一段时间（时间段）。如：He hiccupped for 69years. 7.You are never too young to start doing things.任何时候开始做事情都不会太早！（成事不在年高！） 8. too…to….太….以致于不能…..如： He is too young to go to school.他太小了，不能上学。 not enough to….. 做…. 不够……如： He is not old enough to go to school.去上学他还不够大。 So….that…..如此。。。。以致于。。。。。如： He is so young that he can’t go to school.他如此小，以致于还不能去上学。 （ 此三句为同义句） 9. at the age of…在。。。（岁）时。如：at the age of four 在四岁时。相当于when he/she was four years old. 10.He spends all his free time with his grandson他把所有的空闲时间都花在了跟孙子一起度过上。 11.take part in 参加（活动或者比赛） Join 参加（某组织或者团体） 12.date of birth 生日（相当于birthday） 13.Tsinghua University 清华大学 14.major in 主修，专研 15.the number one women’s singles player in the ITTF国际乒乓球联合会女单一号选手 本文来源：https://www.wddqw.com/doc/61f9505a0342a8956bec0975f46527d3250ca629.html