I have studied English or three years since I had come here.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/15 19:57:25

I have studied English or three years since I had come here.（改错）

I have studied English for three years since I （had come）（把这两个词改为came） here.
自从我来到这里,我已经学了三年英语了.
主句为现在完成时态,since引导的时间状语从句应该为一般过去时,had come应该改为came.

I have studied English or three years since I had come here. 改正句子中的错误.i have studied English for three years since i had I have studied English for three months. 改错：we have studied English for about six years since I have I have studied here （）many years ago. A. since B. for C, be I have studied English s____ I was six years old. Is this the school ( ) I have studied for three years? I have studied English for 7 years.(同义转换) I have studied English for 7 years.同义句 I have known sandy since three years ago it is three years since i have seen him 1.They have studied English since 8 years.2.The