customer message 顾客留言
forget to do something忘记要去做某事
forget doing something 忘记做过某事
the road to通往…的路
along the road 沿路
road safety 道路安全
①I bought two expensive dictionaries here half an hour ago ,but I
forget to take them with me.
forget to do something忘记要去做某事(还没做)
forget doing something 忘记做过某事(做了某事，但是忘记曾经做过了)
half an hour 半小时
an hour and a half =one and a half hours
②The lady who is standing behind the counter.
这是一个省略句，完整句子应该为:the lady who is standing behind the
counter served me.
其中who is standing behind the
The book which are on the counter.
The book 为先行词，which 关系代词(先行词为物，所以由关系代词引导)
which are on the counter用来修饰the books
i bought the books which are on the counter.
The man who I served was wearing a hat.
Is this man that you served？
e.g. she is the girl
she met me yesterday
一句:she is the girl who met me yesterday
the man who I served was wearing a hat
the man was wearing a hat
i served the man.
关系代词who /whom /that修饰人