Unit6 When was it invented ? Section A 1a-1c

1885 1876 1927 1971 A: Benz invented the car. B:The car was invented by Benz. A: When was the car invented? B: Well, I think it was invented in …. 1885 1876 1927 1971

1885 1876 1927 1971 A:Bell invented the telephone. B:The telephone was invented by Bell. A: When was the telephone invented? B: Well, I think it was invented in …. 1885 1876 1927 1971

1885 1876 1927 1971 A: Baird invented the television . B:The television was invented by Baird. A: When was the television invented? B: Well, I think it was invented in …. 1885 1876 1927 1971

1885 1976 1927 1971 A:Jobs invented the computer. B:The computer was invented by Jobs. A: When was the computer invented? B: Well, I think it was invented in …. 1885 1976 1927 1971

1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4]. 4 2 1 3

Listen and match the inventions with the years. 1b ___ 1876 ___ 1885 ___ 1927 ___ 1971 d a c b

1c Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. When was the telephone invented? I think it was invented in 1876.

It was invented in 1885. When was the car invented? It was invented in 1927. When was the TV invented?

When was the computer invented? It was invented in 1971.

Bell invented the telephone in 1876. 一般过去时的被动语态： 主动语态：主语(执行者)+ did (过去式) +、、、. 被动语态：主语(承受者)+ was / were + done (过去分词) +、、、. Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语 (执行者) 谓语动词 过去时 时间状语 宾语(承受者) 主语(承受者) 谓语动词的过去分词 执行者 时间状语

They built the tall building last year. They invented the things 100 years ago. We cleaned our classroom just now. They used this room for resting. The tall building was built by them last year. The things were invented by them 100 years ago . Our classroom was cleaned by us just now. This room was used for resting by them.

否定句： 主语(承受者)+ was / were + not + done (过去分词) +、、、. was not = wasn’t were not = weren’t 一般疑问句： Was / Were +主语（承受者）+ done + … ? 肯定回答：Yes , … was / weren’t . 否定回答：No, … wasn’t / weren’t .

1.The tall building was built by them last year. 2.The things were invented by them 100 years ago . 3.Our classroom was cleaned by us just now. 4.This room was used for resting by them. The tall building wasn’t built by them last year. The things weren’t invented by them 100 years ago . Our classroom wasn’t cleaned by us just now. This room wasn’t used for resting by them.

1.The tall building was built by them last year. 2.The things were invented by them 100 years ago . 3.Our classroom was cleaned by us just now. 4.This room was used for resting by them. Was the tall building built by them last year ? Were the things invented by them 100 years ago ? Was our classroom cleaned by us just now? Was this room used for resting by them ?

doing 主语（执行者）+ be + _______ ( do ) + … . done 主语（承受者）+ be + _______ ( do ) + … .

用括号内动词的正确形式填空。 拓展训练 watching 1. Jim is __________ (watch) TV now. invented 2. The thing was __________ (invent) 100 years ago . using 3. Kate is __________ (use) the knife for cutting things . used 4. The cup was __________ (use) for drinking wine . made 5. The chair was __________ (make) of wood . making 6. He was __________ (make) a kite when I saw him . speaking 7. She is __________ (speak) Japanese . spoken 8. English is __________ (speak) by many people .

1.He made the door of wood yesterday. 作业 把下列句子变成被动语态。 1.He made the door of wood yesterday. 2. She used the cup for drinking just now. 3.They invented the machines 1,000 years ago. 4.We planted the trees on the mountain last week. 5.They built the hospital in 2013.

Goodbye!