新概念英語第一冊第19課第20課

1、nice to see you back !lesson19 tired and thirstywhy 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 youwith lilymother: sit down here . are you

2、 all right now?同義句：同義句：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 wi

3、ndows are open.mother: are you all right now?children: yes, we are, thank you! 1.there be 句式通常帶有一個地點，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 結構的用法2.該句式中be動詞的單復數(shù)形式取決be動詞后面的名詞：be動詞后面的名詞是單數(shù)，be動詞用is; be動詞后面的名詞是復數(shù)，be動詞用are.there is a boy in the r

4、oom.there are three red apples on the table.3).如果該句式的主語是由幾個名詞并列構如果該句式的主語是由幾個名詞并列構成，則按成，則按就近原則就近原則處理，即與靠近處理，即與靠近be動詞動詞的第一主語保持一致的第一主語保持一致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 句式變疑問句時，只需要把be動詞提到there的前面就可以了。is there a

5、policeman in the room?yes, there is . / no, there isnt.5. there be 句式變否定句時，只需要把be動詞后面加not就可以了there is not a policeman in the room.there _ a policeman in the room.is1.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.(變一般疑問句）_5.there is a milkman near the school.(變否定句）_6.桌子上有一個蘋果。_練習題areisareis there an ice-cream man near the tree?there isnt a milkman near the school.there is an apple on the table.桌子上有一個大蘋果和兩個小蘋果。_there is a big apple and two small apples on the desk.openshutheavylight