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.
本句是對過去事實(shí)的描述,所以用一般過去時.
根據(jù)句意"接完電話,他既沒關(guān)門也沒關(guān)燈"可知,應(yīng)該運(yùn)用非謂語動詞的形式,即現(xiàn)在分詞的完成式作時間狀語;后面使用介詞with的復(fù)合結(jié)構(gòu).in a hurry匆忙,rush out of匆忙離開某地.
點(diǎn)評 分詞所表示的動作完成之后,謂語動作才發(fā)生,則要現(xiàn)在分詞的完成式,即having done的形式.分詞的邏輯主語應(yīng)是句中的主語.
這種情況可以用after+動名詞的形式表示.
這種情況也可以用after/when引導(dǎo)的時間狀語從句來替換,該從句的謂語動詞用過去完成式.
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 (熱帶的) 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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