帮我看看这些英语句有什么语病

题目

帮我看看这些英语句有什么语病
1 does doctor has other suggestions?
2 why does it can makes globe warming?
3 what's problems of enviroment does the earth is facing?

答案

1、疑问句 ,前面does已经是第三人称了,后面has应该用原型have
2、can后面应该用动词原型make
3、what problems of enviroment is the earth facing?疑问句中东西提前用do、does,有be动词时将be动词提前