改错since then we have been good friends and now write English letters to each other.请问本句话有错误吗?since then引导现在完成时没错,但是后面直接now write,那不是变成了,since then we now write了吗?时态不对啊,觉

改错since then we have been good friends and now write English letters to each other.请问本句话有错误吗?since then引导现在完成时没错,但是后面直接now write,那不是变成了,since then we now write了吗?时态不对啊,觉 Since then many high school students have joined in it..改错 then English other to been we have writing each in since 排列顺序造句 then we have english 英语改错:I have been a fried with Li Ming since we go to primary school 改错:we have not gone to our hometown since last year. 急用!求此英语短文改错解析Dear Aunt, I am unhappy now, and I don’t know how I should do. Mary and I got to know each other through English chat-room. Since then, we have had chatted online almost every night. We have many in common as we over ok I like .I have to leave!Im really tired!Since then we have nothing to do with 单句改错:Let's put off the meeting until,then we will have timeLet's put off the meeting until next week ,then we will have time 改错：we have studied English for about six years since I have become a middle school student. Great changes have taken place since then in the factory where we are working.主谓宾各是什么? I have lived here since then还是I have been here since then对啊? 改错题:We have not met each other for about 20 years since we have left Japan.这个句子哪里错了? l have known her since l have come here 改错 We first met two years ago,and have been good friends since then.这里的have been是什么时态 是因为we are good friends所以变成have been 一般不是用have become的吗。 求翻译I have been going regularly ever since then. Since then,the heart will always have you.Loving sister. chen,Since then have always loved you and miss you