急！在线等！问一些英语的问题！

se7enkm的回答完全错误,会误导别人的.

1) 为什么说“ENJOYS”要加“S”？
答:这里是个宾语从句,省略了THAT,完整的话是:Do you think that every one enjoys their weekends?
所以从句中的主语是every one,第三人称单数,所以谓语动词enjoy要加“S”.

2)The corrct is eating less. 为什么说“EATING”
答:这里eating less是做表语,动词做表语或主语是要用现在分词或不定式,所以本句可以说成:The corrct is to eat less.
做主语的例子是:Eating less is correct或To eat less is correct.
其它例子:
My wish is to have a good job.(我的愿望是有一份好工作.)
Drinking too much cola is not good.(喝太多可乐不好.)

3) 请稍微列举一些关于过去完成时的句型及组成结构
答:
A)He told me that he had finished the design.
B)Did you think he had finished the design before he told you?
过去完成时一般用在从句中,主句是过去时,事情发生在主句之前,即之前的之前.

their指他们是复数 当然加S
固定结构 IS EATING 就象 I AM DOING MY HOMEWORK正在进行时
过去完成时SHE HAS ALREADY DONE HER HOMEWORK

第一句有every one，think之后的是从句，等于新的一句句子。
第二句eating less是表语，可以用现分或者动词不定式
过去完成时：i told you that you had broken my heart.
Did he say that he had fixed his cycle?
当有before时候基本是过去完成时