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עמוד:22
Link to Language : Passive The two sentences below mean the same but each sentence has a different focus . 1 Which of the sentences focuses on what happened and which of the sentences focuses on who did something ? In 1843 in England , Alexander Bain invented the first fax machine . In 1 843 in England , the first fax machine was invented by Alexander Bain . We use the active form when we want to focus on the agent — on who does the action or what causes the action . We use the passive form when we want to focus on the action itself . In the sentence below , we know who did the action but the agent is not the focus of the sentence . The word "by" is used before the agent . The first automatic dishwasher was invented by Josephine Cochrane . In many sentences in the passive , the agent is not mentioned . This happens for the following reasons . ? The agent is unknown or not known precisely . About 5 , 000 years ago , a paste was made from powdered ashes , eggshells , pieces of rock and herbs . ? The agent is unimportant or irrelevant in that specific context . Their product was called "Colgate Dental Cream . " ? The agent is understood from the context . Today , fax machines can be found in most offices and many homes . 2 Read the following sentences and discuss why the agent is not stated . There may be more than one possible explanation . & In 1 896 , Colgate Dental Cream was packaged in tubes similar to those in use today . !•> He [ Sir John Harrington ] called his invention the " water closet" ( WC ) , but his invention was not taken seriously . @ Over the years , new technology and developments were introduced . Q Her [ Josephine Cochrane's ] invention was shown at the 1893 World ' s Fair in Chicago . Q Improvements were made to this kind of printing , and it was used until the early 20 "' century .
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