英语句子按其结构可以分为三类：简单句、并列句和复合句。
[观察例句]
判断下列句子是简单句，并列句还是复合句？
1．Does every dinner with your parents seem to turn into a battle？
简单句
2．Do you feel that you just cannot see eye to eye with them on anything？
复合句
3．You might worry about your changing voice，weight problems or spots.
简单句
4．When it all gets too much，your parents are often the first targets of your anger. 复合句
5．It can be a big headache to balance your developing mental needs too.
简单句
6．Unfortunately，your parents do not always agree and that makes you feel unhappy. 并列句
7．Of course，I wanted to show my concern for his condition，so I asked him to see a doctor. 并列句
8．The good news is that this stormy period will not last. 复合句
