(课件网) Unit 4 Keeping Clean Period 1 Andy Betty ea l n c ti dy d ir ty m e ssy dirty messy clean tidy It is a chick now. It was an egg before. It was a caterpillar before. It is a butterfly now. They were two tadpoles before. They are two frogs now. before It was an egg. It was a caterpillar. They were two tadpoles. now It is a chick. It is a butterfly. They are two frogs. was were is are before （以前） yesterday（昨天） × × He was happy before. It was sunny yesterday. They were new yesterday. Tony was short before. Tony and Jenny were sad yesterday. _____ _____ _____ _____ _____ was were Choose “was/ were” and write down. Underline the key words. The tall tree _____ green before. The boys _____ angry yesterday. Tony and Jenny _____ shy before. The desk _____ clean yesterday. My T-shirts _____ tidy before. was were was were were _____ _____ _____ _____ _____ yesterday They were… yesterday It was… yesterday They were tidy. yesterday It was dirty. yesterday dirty yesterday clean yesterday messy yesterday dirty yesterday messy yesterday tidy yesterday dirty yesterday dirty yesterday The hands were . dirty yesterday tidy yesterday yesterday yesterday yesterday yesterday morning yesterday afternoon yesterday yesterday yesterday yesterday We should keep our classroom clean and tidy.
