四、双谓语
确保一句中有且仅有一个谓语动词
错例：It is unclear recyclingcan control pollution.
正解：It is unclear whether recycling can control pollution.
改错练习：
1. It isadvertising makes us buy something impulsively.
2. There are twoline charts show the unemployment rate fluctuates in China.
3. The percentageof families have one car increased greatly.
以上就是常见的雅思写作错误的内容，考生朋友不妨看看自己是否遇到相关问题，最后祝大家都能考出好成绩。
