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之前我们已经和同学们一起探讨过很多关于大学英语四六级的学习方法了，大家有没有应用起来呢？同学们可以留言“四六级”获取对应的推文哦！
之前我们为同学们总结了开头、结尾和引出观点的句子模板，今天，我们学习一下说明现状、表示变化、分析问题、表达好或坏和解析原因的句型结构吧！
1. We cannot ignore the fact that（问题）.
2. No one can deny the fact that（问题）.
3. This is a phenomenon that （问题）.
1. Some changes have taken place in the past five years.
2. The past five years have seen the changes.
3. Great changes will certainly be produced in the international communications.
4. It has increased/decreased from（时间一）to（时间二）.
5. The output of July in this factory increased by 15%.
6. People used to think（现象或观点）, but things are different now.
