规则动词的过去式.ppt

* 规则动词的过去式 2. 以辅音字母+不发音的e结尾的，直接加-d 如：liked tasted 在词尾加-ed 如：cooked watered collected 3. 以辅音字母加y结尾的，把y变成i，再加-ed 如：study--studied 变化规则 4. 双写词尾辅音字母，再加ed 如：stop—stopped (Unit7) milked cows picked oranges pulled up carrots watered trees collected eggs tasted oranges ed ed ed ed ed d { { { 在/t/、/d/音后 发/Id/ Learning tips: 在清辅音后 发清辅音/t/ 在浊辅音或元音后 发浊辅音/d/ 清清 浊浊 元浊 发音规则 Let’s read： [t] cook cooked milk milked pick picked help helped watch watched dance danced [d] climb climbed listen listened show showed play played water watered pull pulled [Id] need needed want wanted collect collected visit visited wait waited taste tasted 用所给动词的正确形式填空 1.Tom _______( milk) cows last week. 2. The twins _______ (pull up) carrots just now . 3. I _______ (watch) a film last Friday. 4. My father _______ (be) in London last year. 5. What_______ (do) you do three days ago? 6. ___ (be) there any parks in the town in 1950? 7. The children _______ (cook) a lot of food a moment ago. 8. I ________(taste) fruit last weekend. 9.Helen often _______ (go) home by bike. 10.Look, Nancy ____________ (water) trees. milked pulled up watched was did Were cooked tasted goes is watering *