1.We speak good English because we study very hard,but I could not even open my mouth last summer for I had never done any practice before that time.

　　这句话可以通过以下流程的拓展训练获得:

　　(1)We speak good English.

　　(2)We speak good English because we study very hard.

　　(3)We speak good English became we study very hard,but I could not even open my mouth last summer.

　　(4)We speak good English because we study very hard,but I could not even open my mouth last summer for I had never done any practice before that time.

　　拓展训练也可以由一个段落拓展到更多的段落，我们再参考如下句例：

　　2.We speak good English because we study very hard,but I could not even open my mouth last summer for I had never done any practice before that time.

　　Oh,I should have been much better if I had been working hard since I came to the school.

　　So I will practice more,and will have fulfilled all my task next Spring,when I shall be having a business talk with an American company.

　　这一段话可以通过以下流程的拓展训练获得：

　　(1)We speak good English because we study very hard,but I could not even open my mouth last summer for I had never done any practice before that time.

　　(2)We speak good English because we study very hard,but I could not even open my mouth last summer for I had never done any practice before that time.

　　Oh,l should have been much better if I had been working hard since I came to the school.

　　(3)We speak good English because we study very hard but I could not even open my mouth last summer for I had never done any practice before that time.

　　Oh，I should have been much better if I had been working hard since I came to the school.

　　So,I will practice more,and will have fulfilled all my task next Spring,when I shall be having a business talk with an American company.