并列句
neither… nor… 既不，也不
两个词后面要跟一样的句子
He has neither friends nor relatives.
他没有朋友也没有亲人
从句前面是一个完整的句子（主句），然后用what，who等引导出补充主句的从句。
what基本通用
who用于人
which用于物
when用于时间
where用于地点
that通用，但是前面不用加逗号隔开（仅这个不用逗号）
例：
I have a teacher that is very good.（is very good补充形容teacher，that 指代teacher）
I am going to work, what is very funny.（is very funny补充形容work，that 指代work）
语法小记：
never, must,may 后面需要跟动词原形
物主代词
I bought a headset. Mine is very good.
其中mine指代headset
简单句：
一句完整的句子里一定有动词。
我们工厂里有很多噪音，所以我想买一副去除噪音的耳机，于是在双十一那天，我下单买了sony的降噪耳机，今天收到后，我把它带去了工厂，戴上它之后，我突然感觉，这个世界安静了。
并列句：
There was so much noise in the factory, so I wanted to buy a noise canceling headset, however, on the double eleven shopping carnival, I bought a sony noise canceling headset. today, I received the headset, and I took it and went to work, when I put on a headset, I felt the world is quiet, and that is so amazing .
从句：
my factory had so much noise, so I wanted to buy a noise canceling headset. Today, I received the headset, which I bought on the double eleven shopping day, and I took it to the factory for working. when I put on a headset, I felt so amazing that the world was quite.
今天去了一家从没吃过的餐馆，结果东西真的好难吃啊，炒饭是冷的，里面甚至没有菜和肉，价格还比一般餐馆贵，真是太离谱了，我再也不会去第二次了。
Today, I went to the new restaurant that I never eat before, and I had a bowl fried rice, what was cold, neither didn't have meat or vegatable, nor didn't have cheap prices. It had a taste that is so terrible, so I am not going to this restaurant any more.
从句
今天我女儿去医院打预防针，但是到了那里，她却不知道接下来要发生什么，睁着好奇的大眼睛看着其他小朋友为什么哭，直到针扎到她手上的时候，感觉到痛了，她才明白，原来如此，于是哇的哭了起来。
Today, I went with my daughter that was going to take injection in the hospital, but she didn’t know what would happen next, so she had big eyes opened ,looked around the kids who were crying and tought about why they were crying. Until the needle was in her arm, she cried and knew the reason that kids were crying.