要出門上課了，匆匆忙忙地錄了逗號的規則，改作文時幾乎每次都會改用錯逗號的句子，不能用逗號連接兩個句子啊！昨天錄了十遍以上吧，一直不成功，今天也是不太好，講太快了啦！一直搶拍，恩，自己聽一直笑，被自己打敗的潔西要去上課了！好冷。Have a good day. Stay warm and dry!
I had a bad cough, I went to the hospital. (X)
I had a bad cough. I went to the hospital.
Because I had a bad cough, I went to the hospital.
I went to the hospital, because I had a bad cough. (X)
I went to the hospital because I had a bad cough.
I had a bad cough, so I went to the hospital.
I had a bad cough; I went to the hospital.
從屬連接詞 when, if, before, after, because
對等連接詞 fanboys：for, and, but, or, yet, so
逗號 comma ,
1. 用逗號來分開對等連接詞 (and, but, for, or, nor, yet, so) 所連接的兩個獨立子句或片語。
Five people took the course, but only three of them passed the test. failed
Tom cooked the meal, and his wife washed the dishes.
2. 用逗號來分開一長串的項目。 Oxford comma
I speak Chinese, English, and Japanese. I speak Chinese, English and Japanese.
Lisa got up, took a shower, drank a cup of coffee, and left for work.
He washed his new, black, shiny pickup.
Her cat has long, silky, heavy fur.
First, you need to fill out this form.
Because of the heavy rains, many of the roads were flooded.
When I arrived, she had already left.
5. 用兩個逗號來分開插入句子中的非限定性的片語或子句。 形容詞子句
Mary, who was my best friend, dropped the class.
My sister lives in Taipei, which is the capital of Taiwan.
The novel, a mystery about a secret island, was an instant bestseller.
Barrack Obama, the former president of the U.S., was in New York last week.
Excuse me, Beth, but aren’t you late for your tennis lesson?
Please take a seat, Mr. Lin.
The First Bank is located in a shopping mall; the City Bank, in
the heart of town. , = is located
Ever since, we have taken the plane rather than the train.