“在一个句子中不能出现两个动词”是什么意思,比如说“I'm writing to tell you about the

“在一个句子中不能出现两个动词”是什么意思,比如说“I'm writing to tell you about the the reason ___ i'm writing to you is to tell you about a par 英语作文中（写信类）可以出现Now,I'm writing to tell you sth.这样的句子吗? The reason---I'm writing is that I want to tell you about a Hi, Louis! I’m writing to tell you something about the custo 短文改错 How is everything?I’m writing to tell you about the rac 英语短文改错How is everying?I’m writing to tell you about the race 英语翻译I'm writing to tell you about the discussion we have had 英语翻译Dear editor,I’m writing to tell you about the discussion 英语翻译Dear principle,I'm writing to tell you about the discuss I'm writing to tell you something about the new-made plan in I'm writing this letter to tell you about my new home的to在此的解