This printer is of good quality.If it _______ break down within the first year,we would repair it at our expense.A.would B.should C.could D.might这里选B should是表达承诺 还是 表达假设 推测?还有 This printer is of good quality 这是

Question

This printer is of good quality.If it _______ break down within the first year,we would repair it at our expense.
A.would B.should C.could D.might
这里选B should是表达承诺 还是 表达假设 推测?
还有 This printer is of good quality 这是怎样的句型 为什么可以 is of?

Answer 1

should 情态动词(用在条件从句中表示事件发生的可能性)将要,假定要
If you should be fired, your health and pension benefits will not be automatically cut off...
如果你被解雇,你的医疗和养老保险金不会自动中断.
be of 后可接value, importance, use, help, significance, interest, benefit 等一些抽象名词,这样的结构用来说明句子主语所具有的作用、重要性或意义.相当于【be+形容词】 在这类抽象名词前我们可用一些形容词,如: great, little, some, any, no, not much等来修饰抽象名词,用以说明程度.不能是 very,quite, pretty.如:
They are of great help to learners of English.
他们对英语学习者有很大帮助.
The book will be of great value to students of history.
这本书对学历史的学生将很有用.
The meeting is of great importance.
这个会议很重要.
This medicine is of no use.
这种药无效.