It is probably easier for teachers than for students to appreciate the reasons why learning english seems to become increasingly difficult once the basic structures and patterns of the language have been understood 可能老师比学生更容易领悟到一旦语言的基本结构和模式理解以后，英文好象变得越来越难的原因。
4.
It is probably easier for teachers than for students to appreciate the reasons why learning english seems to become increasingly difficult once the basic structures and patterns of the language have been understood 一旦了解英语的基本结构和句型，再往下学似乎就越来越难了，这其中的原因，也许教师比学生更容易理解。
