(
课件网) 本单元的动词及其过去式 is was use used get got wash washed write wrote sweep swept drive drove answer answered live lived visit visited say said smile smiled 课前三分钟： 2 Changes in our lives Period 1 Oxford English Period 1 food clothes housing transportation There are a lot of changes in our lives. Changes are everywhere! life --lives 1 2 3 4 Ms Wen Mrs Hong Mr Zhang Mr Yang Changes in their lives too 1 2 3 4 What do they do write + r = writer 写；写信（动词） 作家；作者（名词） Ms Wen is a writer. She can write books . Mrs Hong is a farmer. farm + er farmer A farmer grows crops. = farm in the fields(田地) street cleaner Mr Yang is a street cleaner. 环卫工人 A street cleaner cleans the street day and night. Street cleaners make our city clean and beautiful. A street cleaner cleans with a broom. 在英语中，经常在动词后面加上后缀-er来表示做这件事的人。 write farm drive teach sing dance play clean打扫 photograph拍照 动词v writer farmer driver teacher singer dancer player cleaner清洁工 photographer摄影师 名词n jobs + er photo photoer Mr Zhang is a photographer. = photographer. photographer pho to gra pher photographer A photographer takes photos. photo She can take a lot of beautiful photos. 1 2 3 4 Ms Wen is a writer. Mrs Hong is a farmer. Mr Zhang is a photographer. Mr Yang is a street cleaner. What do they do 2.How do they do now 1.How did they do in the past Listen, follow and answer In the past used now _____ is a _____. In the past, she_____ a _____ to write. Now she_____a _____. Ms Wen Ms Wen writer pen and paper uses computer used ....use .....to... Which way(方式) is faster(更快的) and easier（更容易的） Using a computer is faster and easier. Mrs Hong is a _____. In the past, she got her crops in by _____. Now she uses a _____. farmer hand machine sickle 镰刀 In the past now sickle machine In the past, people used _____to_____. Now people use _____to _____. Which way is faster to get the crops in Look and think VS by hand（用手） use a machine（机器） get tired easily get crops in quickly Mr Zhang is a _____. In the past, he used _____ to take photos. Now he uses a _____. film digital camera photographer In the past now digital camera digital camera see the photos right away =quickly can see photos right away立即；马上 数码相机 It is very convenient to use a digital camera. Mr Yang is a _____. In the past, he swept the streets with a _____. Now he drives a _____. It can clean the streets _____. street cleaner broom street sweeper in a short time In the past now street sweeper sweeper broom Using a _____ is faster and easier. sweeper Which way(方式) is faster(更快的) and easier（更容易的） Read and finish： 工具 a writer a farmer a photographer a street cleaner film a pen and paper broom by hand a digital camera a computer a machine a street sweeper In the past, people _____. Now, people _____. … read books read e-books made cool with fans make cool with air conditioners bou ... ...
