规则变化的动词过去式构成规则变化的动词过去式构成规则变化的动词过去式构成规则变化的动词过去式构成1、一般在动词原形末尾加ed2、不发音的“e”结尾的动词加-d-d 3、重读闭音节（辅音+元音+辅音结尾）动词，先双写词尾再加ed4、辅音字母+y结尾的动词,先变“y”为“i”再加ed 动词特点及变化规则动词特点及变化规则例词例词 work-worked play played help-helped clean cleaned want-wanted need-needed dance-danced live-livedchange-changed move-moved stop-stopped skip-skipped try-tried cry-cried study-studied carry-carried5、不规则变法不规则变法 run-ran eat-ate have-hadsee-saw do-did go-went清读清读 /t/ ,浊读浊读/d/ ; /t/ /d/ 之后读之后读/id/规则变化动词规则变化动词-ed的读音的读音说明：1、清念/t/，即ed在清辅音后面念/t/,例：walkedhelped2、元浊/d/,即ed在元音，浊辅音后面念/d/,例：borrowedmoved3、/t/d/之后念/Id/,即ed在/t/d/音后面念/Id/例：wantedneededNameWere you busy yesterday?Where did you go yesterday?What did you do yesterday?Did you feel happy yesterday? 1. Were you _? 2. Where did you go? 3. What did you do? 4. How was your day?_, _ _Sunday, May 24th SunnyI was very happy last Sunday. I went to the park with my friends last Sunday morning. I did the housework last Sunday afternoon. I cooked dinner at home. I prepared lessons last Sunday evening. I had a busy day. 1.Were you _? 2.Where did you go? 3.What did you do? 4.How was your day?_, _ _