Unit4Thenandnow（Grammartime）Useyourownwordstodescribethem。(课文复述）39①一般情况是在动词后加ed，如：snow---snowed①一般情况是在动词后加ed，如：snow---snowed②以不发音的字母e结尾的动词直接加d，如：like---liked②以不发音的字母e结尾的动词直接加d，如：like---liked③结尾是“辅音字母+y”的动词，先变“y”为“i”再加ed，如：study---studied③结尾是“辅音字母+y”的动词，先变“y”为“i”再加ed，如：study---studied④末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加ed，如：stop---stopped④末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加ed，如：stop---stopped⑤不规则变化，如：can--could，get---got，do---did,fly--flew,go--went;see---saw;eat---ate,take--took，read--read⑤不规则变化，如：can--could，get---got，do---did,fly--flew,go--went;see---saw;eat---ate,take--took，read--read行为动词的过去式构成：行为动词的过去式构成：写出下列动词的过去式写出下列动词的过去式get---take----can---see---are---carry---go---is/am---bring---become---tell---say---do/does---fly---read---draw---catch---bring---have/has---meet---lose---eat---find---study---like---use---live---write---wear---come---make---talk---get---take----can---see---are---carry---go---is/am---bring---become---tell---say---do/does---fly---read---draw---catch---bring---have/has---meet---lose---eat---find---study---like---use---live---write---wear---come---make---talk---gottookcouldsawwerewentwasbroughtbecametoldsaiddidflewreaddrewcaughtbroughthadmetlostatefoundstudiedlikedusedlivedwroteworecamemadetalkedcarried改写句型：改写句型：①Hecouldn’twritelettersthreeyearsago.(改为一般现在时)He________writelettersthreeyearsnow.②Thekingwalkedthroughthestreetinhisnewclothes.(改为否定句)Theking________________throughthestreetinhisnewclothes.③Shewatchedcartoonsalldayathome.(改为一般疑问句，并作否定回答)_________she________cartoonsalldayathome?______,she________.④Iwenttoschoolonfootthismorning.(对划线部分提问)_______did______________toschoolthismorning?⑤Iwenttoschoolonfootthismorning.(对划线部分提问)_______did______________toschool?⑥IvisitedtheShanghaiMuseumlastNationalDayholiday.(对划线部分提问)________did______________lastNationalDayholiday?⑦IvisitedtheShanghaiMuseumlastNationalDayholiday.______________you________lastNationalDayholiday?①Hecouldn’twritelettersthreeyearsago.(改为一般现在时)He________writelettersthreeyearsnow.②Thekingwalkedthroughthestreetinhisnewclothes.(改为否定句)Theking________________throughthestreetinhisnewclothes.③Shewatchedcartoonsalldayathome.(改为一般疑问句，并作否定回答)_________she________cartoonsalldayathome?______,she________.④Iwenttoschoolonfootthismorning.(对划线部分提问)_______did______________toschoolthismorning?⑤Iwenttoschoolonfootthismorning.(对划线部分提问)_______did______________toschool?⑥IvisitedtheShanghaiMuseumlastNationalDayholiday.(对划线部分提问)________did______________lastNationalDayholiday?⑦IvisitedtheShanghaiMuseumlastNationalDayholiday.______________you________lastNationalDayholiday?can'tdidin'twalkDidwatchNodidn'tHowyougoWhenyougoWhatyoudoWheredidvisit一般过去时表示过去发生的动作、情况或存在的状态。关键词如：last(上一个)…,…ago（以前）,justnow（刚才）,yesterday（昨天），oneday,thismorning....以及具体表示过去时间的短语如：OnFriday,in2011…一般过去时表示过去发生的动作、情况或存在的状态。关键词如：last(上一个)…,…ago（以前）,justnow（刚才）,yesterday（昨天），oneday,thismorning....以及具体表示过去时间的短语如：OnFriday,in2011…Homework1.预习Funtime,在书P40贴好照片，Soundtime&Culturetime2.完成学案【巩固延伸】1.预习Funtime,在书P40贴好照片，Soundtime&Culturetime2.完成学案【巩固延伸】
