帮我看看这句子 I have been learn English since this April.

帮我看看这句子 I have been learn English since this April. 句子改错：I (A.have been) (B.learning) English (C.since) I (D.hav I have been studying _____ I can to learn English I have been teaching English since 1986.改为同义句 I have been studying English since I was five (对since I was 帮我看看这句英文对吗I have been timid and afraid of speaking in front 帮我看看这个句子错在哪~How many exercises have you been doing? 帮我改一下英语作文it has been 4 years since i have a computer i think I will learn English 和I will have a learn English 哪个句子正确 I have been like this since last month 句意? 且请问been充当什么成分 i`ve been an english teacher（ since i came to this school） 对 I have been studying English since I was five (对化线部分提问)