unit 14 have you packed yet?part 1: teaching design (第一部分：教学设计)structures: present perfect with already and yettarget language: have you watered the plants yet? yes, i have already watered them?vocabulary: watered, travel guidebook, suitcase, beach towel, bathing suit, refrigerator, member, cleaned out, turned offlearning strategies: brainstorming, role playingsection agoals●to learn to use present perfect with already and yet●to listen and talk about having a vacationprocedures warming up by studying grammargrammar is so important that it should always be learned and made use of in class. today we shall learn to use “ present perfect with already and yet”look at the two sentences:have you watered the plants yet? yes, i have already watered them?do you understand the structure of the two sentences? we shall make more sentences like those.have you finished your homework yet? yes, i have already finished it?have you found your bike yet? yes, i have already found it?to use the “ present perfect with already and yet” more in communication, let’s go on to page 110. 1a thinking and writinghave you been on a beach vacation yet? if you go on a beach vacation, what three things would you pack?think and write your ideas in the chart on page 110.a beach vacationsightseeing in a city1. bathing suit1. camera 2. umbrella2. mobile phone3. drinking water3. bike1b listening and checkinga family are packing things for a beach vacation. now listen to their talk, paying attention to the “ present perfect with already and yet”. tapescriptwoman: have you packed the beach towels yet?boy: no, i haven’t. can’t judy pack them?woman: no, she’s busy. could you please water the plants?boy: i’ve already watered them.woman: oh, thanks. man: what about the travel guidebook and the street map?