(广东版)开心英语课件 6A unit1Unit1 I wrote a long letter教学目标:掌握 A piece of candy, a carton of ice cream, a pair of socks, a bag of chips, a bottle of shampoo, a bar of soap shampoo, toilet paper掌握句型 Did you write a long letter? What do you need if you went to send a letter? Can we send a letter in a bottle?教学重点难点 :Past tense 动词过去式有几种变化:1、在动词后面直接加ed.plant--plantedhelp--helped2、以字母y结尾,先将y变成i再加ed.carry—carried &nbs..