1、Welcome to Cherrys class12Whats the declarative sentence ?用来说明一个事实和表达说话人的看法或观点的句子读时用降调She is a good student.We are going to do our homework.31. 主语主语+系动词系动词+表语表语I am a student.She is my teacher.The flower is beautiful.42. 主语主语+谓语动词谓语动词The teacher smiled.LiMings father died.These babies cried.53. 主语主语
2、+谓语动词谓语动词+宾语宾语He can write and speak English.I like singing a song.LiMings uncle wants to go shopping.64. 主语主语+谓语动词谓语动词+宾语宾语+宾语补足语宾语补足语We elected Li Tao our monitor.I love you my dear Mum.My mother hates my father the busy man.78is not =isnt are not =arentwas not=wasnt were not=werentdo not=dont doe
3、s not=doesntdid not=didnt will not=wont91. 主语主语+be动词动词+not+其他其他LiMings ant isnt an English teacher.You arent a good student.Lucy wasnt late for school yesterday morning.102.主语主语+助动词（助动词（do）+not+实意动词实意动词+其他其他I dont tell a lie.She doesnt like fruit.Lucy and I didnt go shopping yesterday.113.主语主语+情态动词情
4、态动词+not+实意动词实意动词+其他其他You shouldnt stay up so late.I cant say sorry to you.You couldnt eat too much after 7 oclock.You mustnt go to school on the weekends.12 Lets have a try!131.She does her homework erery evening.(改为否定句）改为否定句）2.We dont have any lessons on Sunday.（改为肯定句）（改为肯定句）3.You are at home now.(改为否定句）改为否定句）4.He is going to visit the farm next Friday.（改为否定句）（改为否定句）145.Yor wont get fatter.（改为肯定句）（改为肯定句）6.He didnt come home on time.(改为肯定句）改为肯定句）7.She doesnt usually go to work on foot.(改为肯定句）改为肯定句）8.The boy in black likes music.(改改为否定句）为否定句）15
