改错：our English teacher is a middle - aged woman ,who had been teaching English for more than...改错：our English teacher is a middle - aged woman ,who had been teaching English for more than 20 years .she is always working hard .for a model

改错：our English teacher is a middle - aged woman ,who had been teaching English for more than...改错：our English teacher is a middle - aged woman ,who had been teaching English for more than 20 years .she is always working hard .for a model
改错：our English teacher is a middle - aged woman ,who had been teaching English for more than...
改错：our English teacher is a middle - aged woman ,who had been teaching English for more than 20 years .she is always working hard .for a model teacher for many years ,she is kind and friendly to us and very strict with us .in class ,she always encourage us speak and read English as much as possible .she is quite good at teaching and try to make her lessons live and interesting .in her spare time ,she often teaches us English song and helps us to put no English short plays .she loves us so much as she is always ready to help us .in the fact ,she is not only our good teacher but also our good friend .we all respect and love him .

改错：our English teacher is a middle - aged woman ,who had been teaching English for more than...改错：our English teacher is a middle - aged woman ,who had been teaching English for more than 20 years .she is always working hard .for a model
第一行 had-has
第二行for a moedel-as a model
第三行encourage-encourages
第四行live-lively
第五行song-songs
第六行as-so the去掉
第七行him-her

更正： 1. Our English teacher is a middle-aged man who (is) 从句时态一般会和主句时态对应。不过此句缺少后文，所以如果真有错，只能把was改

一行had ---has
二working hard变hard-working for变as
三encourage变encourages speak变to speak
四 try变tries live变lively
五 song变songs no变on
六as变that in the fact去掉the
七him变her

we all respect and love him .him应改为her

原文在此：Our English teacher is a middle -aged woman. She has taught English for more than twenty years.She works very hard and has been a model teacher for many years.
　　She is kind to us. but she is...

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原文在此：Our English teacher is a middle -aged woman. She has taught English for more than twenty years.She works very hard and has been a model teacher for many years.
　　She is kind to us. but she is rather strict with us. She always encourages us to speak and read more English . She often tells us that "practice makes perfect."
　　She is very good at teaching and tries hard to make every lesson lively and interesting. She often gives us slide shows, teaches us English songs and helps us to put on short English plays.
　　She loves us and is always ready to help us. In fact, she is not only our good teacher but also our good friend. We all respect and love her.

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第一行 had-has
第二行for a moedel-as a model
第三行encourage-encourages
第四行live-lively
第五行song-songs
第六行as-so the去掉
第七行him-her