知识点1 常见的不需要逻辑主语的动词-ing/-ed形式结构:

Considering (that)…考虑到supposing (that)…如果……

generally speaking 一般说来frankly speaking 坦白说

Judging from…从…判断talking of…说到……

Concerning…关于setting aside... 除开……Coming to…谈到……

allowing for... 考虑到……proving/provided (that)…假定

supposing/suppose (that)…假如……Seeing (that)…既然……

given (that)…假设；如果；考虑到put frankly 坦白地说

taken as a whole 总的说来

例：1. put frankly, I don’t agree with what he said.

坦白地说，我不同意他说的话。

2. Given the general state of his health, it may take him a while to recover from the operation.

考虑到他的一般身体状况，他手术后恢复过来可能需要一段时间。

3. Supposing he is ill, who will do the work?

假如他病了，谁来做这工作呢？

知识点2 Ing分词作伴随状语，表示自然而然的结果。

The sunlight is white and blinding,__throwing ______(throw) hard-edged shadows on the ground.

【解析】句意:阳光明亮而又刺眼,在地上投下轮廓分明的影子。主语sunlight与throw之间为主谓关系,故用现在分词throwing作结果状语,表示自然而然的结果。

【答案】throwing

He got up late and hurried to his office, ____leaving_____the breakfast untouched.

It rained heavily in the south, _____serious flooding in several provinces.

A. caused B. having causedC. causingD. to cause

【解析】选C。考查现在分词短语causing serious flooding…作结果状语，表示自然而然的结果。B项表示分词发生在谓语动作之前，不符合句意。句意：南方雨下得很大，使得几个省份洪涝严重。

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