英语六级考试写作加分句（8）
1、be based on (以...为基础)
例句：The progress of thee society is based on harmony.
社会的进步是以和谐为基础的。
2、Since + S + 过去式，S + 现在完成式。
例句：Since he went to senior high school, he has worked very hard.
自从他上高中，他一直很用功。
1、be based on (以...为基础)
例句：The progress of thee society is based on harmony.
社会的进步是以和谐为基础的。
2、Since + S + 过去式，S + 现在完成式。
例句：Since he went to senior high school, he has worked very hard.
自从他上高中，他一直很用功。