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(jié)構(gòu)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(gòu)如果該句式的主語是由幾個名詞并列構(gòu)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