问题 一篇四川大学考博阅读文章

...ve language. A comparison of the three-year exit rates for students in ESL and bilingual programs shows that those who receive ESL instruction test out faster and in higher percentages than those who receive instruction in their native language, regardless of the grade in which they entered school. ...

问题 主谓一致：a year and a half & an apple and a half

A year and a half has passed.为什么句子必须单数谓语动词，仅仅是因 a year and a half被看作整体吗？a year and a half作主语可以用复数动词吗？如果不是用于时间呢？比如下面这句，谓语动词用单数还是复数：An apple and a half _____ eaten by the...

问题 老师好，请问 It is wrong the way they treat that poor an

似乎和Just do it the way i do.的the way不一样，It难道是形式主语？这种指代名词的形式主语倒不常见，请老师指点

问题 It takes sb st to do sth 的时间名词特点

见过这样的句子：It took us three hours to do the work.It took them five months to win the war.其中的时间名词都是three hours, five months, ten minutes, two weeks 等。但是，能不能用 all week, all month, all year, all morning, all afternoon 这样的词语呢？

问题 It is time for supper 的句子成分分析

It is time for supper 的句子成分分析。句子中的介词短语 for supper 是什么成分？是定语吗？我在语法书上怎么没有找到这样的分析呢？

问题 从句判断（His height is double what it was...）

 His height is double what it was three years ago.请问,句式上不太明白这是什么从句?

问题 try it out loud这个句型不懂之处

try it out loud.out有完全彻底的意思修饰loud，out loud 是副词词组是修饰动词 try，可是try词义是努力，try词义和out loud不符，该怎么翻译？这又是什么句型？

问题 It helps me to relax.

help可以这么用么？还是要把to删掉。

话题 It should surprise no one that

话题 If it hadn't been for...

话题 It’s very kind of you

话题 It was my first time doing

话题 as it was in Roman times

话题 if it hadn’t been for…

话题 It is sb/sth doing sth