分析 Having answered the phone,he left the office in a hurry( rushed out of the office) with the door open and the light(s ) on.
解答 Having answered the phone,he left the office in a hurry( rushed out of the office) with the door open and the light(s ) on.
本句是对过去事实的描述,所以用一般过去时.
根据句意"接完电话,他既没关门也没关灯"可知,应该运用非谓语动词的形式,即现在分词的完成式作时间状语;后面使用介词with的复合结构.in a hurry匆忙,rush out of匆忙离开某地.
点评 分词所表示的动作完成之后,谓语动作才发生,则要现在分词的完成式,即having done的形式.分词的逻辑主语应是句中的主语.
这种情况可以用after+动名词的形式表示.
这种情况也可以用after/when引导的时间状语从句来替换,该从句的谓语动词用过去完成式.
如:Having finished his homework the boy was allowed to watch TV play.
After having finished his homework,the boy was allowed to watch TV play.
After/when he had finished his homework,the boy was allowed to watch TV play.
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Humpback whales are sometimes called performers of the ocean.This is because they can make impressive movements when they dive.The name"humpback",which is the common name for this whale,refers to the typical curve shape the whale's back forms as it dives. Sometimes the humpback will dive with a fantastic movement,known as a breach.During breaching the whale uses its powerful tail flukes to lift nearly two-thirds of its body out of the water in a giant leap.A breach might also include a sideways twist with fins stretched out like wings,as the whale reaches the height of the breach. A humpback whale breathes air at the surface of the water through two blowholes which are located near the top of the head.It blows a double stream of water that can rise up to 4meters above the water. The humpback has a small dorsal fin located towards the tail flukes about two-thirds of the way down its back.Other distinguishing features include large pectoral fins,which may be up to a third of the body length,and unique black and white spots on the underside of the tail flukes.These markings are like fingerprints:no two are the same. Humpback whales live in large groups.They communicate with each other through complex"songs". | Quick Facts | |
Size: | 14m~18m in length 30~50tons in weight | |
Living | Open ocean and shallow coastline waters | |
Environment: | From warm tropical (热带的) waters,where they breed,to cold polar waters,where they eat. | |
Diet: | Shellfish,plants and fish of small size | |
Hunting: | Sometimes in groups,in which several whales form a circle under the water,blowing bubbles that form a"net"around a school of fish.The fish are then forced up to the surface in a concentrated mass. | |
Current state: | endangered; it is estimated that there are about 5000~7000humpback whales worldwide. |
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