Lesson 23 A new house 新居 时态 There be 单元复习

I had a letter from my sister yesterday. ^{一般过去时 §}

She lives in Nigeria. ^{一般现在时 §}

She said that she would come to England next year. ^{过去将来时 §}

If she comes, she will get a surprise. ^{条件句：主将从现 §}

We are now living in a beautiful new house in the country.^{正在进行时 §}

a beautiful new house ^{离一个名词最近的词跟该词的关系最密切, 冠词肯定是放在最前面的}

• a spare old cloth ^{不穿的旧衣服}
• a big red flag ^大红旗

Work on it had begun before my sister left. ^{过去完成时 §} 

The house was completed five months ago. ^{被动语态 §}

In my letter, I told her that she could stay with us. ^{情态动词can过去时 §}

stay with ^{跟…暂住在一起} 

• He stayed with his uncle last week.

在说明或询问人或物等的存在时可用 there be 结构 。There be 其实是“be there 的倒装”: A girl  is there in the classroom.  → There is a girl in the classroom. 表客观存在^(有)。用于强调、陈述事实或介绍场景。

There be + n.＋介词短语 ^{(出现频率 90%)}

it 作为“虚主语”表示时间、距离、天气等概念时，不能用 there be 结构^{（因为不能还原为 be there）}。

• It’s fifteen miles to the station.
• It is a fine day today.
• It's very pleasant.