亚洲第一极品精品无码久久_无码国产色欲xxxx视频_国精品无码一区二区三区在线蜜臀_日韩av无码精品一二三区

獨(dú)立主格結(jié)構(gòu)用法歸納

英語的獨(dú)立主格結(jié)構(gòu)主要表示謂語動(dòng)詞發(fā)生的時(shí)間、原因、條件或伴隨情況等，在許多情況下相當(dāng)于一個(gè)狀語從句或并列句。

1. 用作時(shí)間狀語

The work done (=After the work had been done), we went home. 工作完成后，我們就回家了。

2. 用作條件狀語

Weather permitting (=If weather permits), they will go on an outing to the beach tomorrow. 如果天氣允許的話，他們將在明天組織一次海濱小游。

3. 用作原因狀語

An important lecture to be given tomorrow (=As an important lecture will be given tomorrow), the professor has to stay up late into the night. 因?yàn)槊魈煲�發(fā)表一個(gè)重要的演講，教授不得不熬夜到很晚。

4. 用作伴隨狀語

He was lying on the grass, his hands crossed under his head (=and his hands were crossed under his head).他躺在草地上，兩手交叉枕在腦后。

5. 表示補(bǔ)充說明

A hunter came in, his face red with cold (=and his face was red with cold). 一個(gè)獵人走了進(jìn)來，他的臉凍得通紅。

We redoubled our efforts, each man working like two. 我們加倍努力，一個(gè)人干兩個(gè)人的活。

注：獨(dú)立主格結(jié)構(gòu)表示時(shí)間、條件或原因時(shí)，相當(dāng)于一個(gè)狀語從句，一般放在句首，表示原因時(shí)還可放在句末；表伴隨狀況或補(bǔ)充說明時(shí)，相當(dāng)于一個(gè)并列句，通常放于句末。