新概念英语第二册70-03

the number of / a number of : 后面都加可数名词的复数

a number of＝lots of做复数看待(从前往后翻, 强调后面的东西), a number of students 许多学生

the number of : ...的数量, 做单数看(从后往前翻, 强调数量), the number of students 学生的数量

主谓数字一致

gain＝get 得到

it is ...that : 万能强调结构 it is I that am looking for you. 强调 “I”

it is you that I'm looking for. 强调 “you”

分号可以断开两个句子

anyone : 任何人, 与 he 相对应

if anyone wanted to go there, he will do sth

be asked to do 请求某人做某事, sb做事

have the tree cut down

have sth done 让某事被别人做

I will go to have my bicycle repaired. 与I will go to repair my bicycle.是有区别的