新概念英语第一册第19课第20课.ppt

Nice to see you back !,Lesson19 Tired and thirsty,Why do the children thank their mother?,Because their mother buy ice-creams for them.,Mother: Whats the matter, children? Whats the matter ? Whats wrong ? 怎么了？/有什么事？ Girl: We re tired Boy: and thirsty, Mum.,with you,with Lily,Mother: Sit down here . Are you all right now?,同义句：Are you Ok now?,Boy: No, we arent.,Mother: Two ice creams please. Mother: Here you are , children. Children: Thanks, Mum Girl: These ice creams are nice.,How many ice creams do they want?,How are the ice creams?,Mother: Look! Theres an ice cream man.,Those boxes are heavy.,These windows are open.,Mother: Are you all right now?,Children: Yes, we are, thank you!,1.There be 句式通常带有一个地点，表示在某地有某物。如： There is a blackboard in the classroom. There are two empty bottles on the desk.,There be 结构的用法,2.该句式中be动词的单复数形式取决be动词后面的名词：be动词后面的名词是单数，be动词用is; be动词后面的名词是复数，be动词用are. There is a boy in the room. There are three red apples on the table.,3).如果该句式的主语是由几个名词并列构成，则按就近原则处理，即与靠近be动词的第一主语保持一致 There is a book, a dictionary and two pens on the desk. There are two pens, a book and a dictionary on the desk.,4.There be 句式变疑问句时，只需要把be动词提到there的前面就可以了。 Is there a policeman in the room? Yes, there is . / No, there isnt. 5. There be 句式变否定句时，只需要把be动词后面加not就可以了 There is not a policeman in the room.,There _ a policeman in the room.,is,1.There _ 5 oranges and 4pears. 2.There _ a book and two dictionaries. 3.There _ two maps and a pictures on the wall. 4.There is an ice-cream man near the tree.(变一般疑问句） _ 5.There is a milkman near the school.(变否定句） _ 6.桌子上有一个苹果。_,练习题,are,is,are,Is there an ice-cream man near the tree?,There isnt a milkman near the school.,There is an apple on the table.,桌子上有一个大苹果和两个小苹果。,_,There is a big apple and two small apples on the desk.,big,small,long,open,Shut,heavy,light,grandfather,grandmother,Look