译林版七年级英语下册课件Unit4Grammar

1、Unit 4 Finding your wayGrammarPresentationThere is a cage in the picture.cage n. 笼子, 鸟笼The cage is beautiful.a snakea liona tigera giraffean eggan umbrellaan orangean English book1. 第一次提到某人或某物时。 I have a book.2. 泛指某一类的人或物。 A panda is very lovely.不定冠词a/an的用法判断一个单词用a还是用an，是根据其读音，而不是根据其首字母。以元音音素开头的词前用“

2、an”，以辅音音素开头的词前“a” 。如：an hour, an apple, an elephant, a useful book等。Look! Here is a panda.The panda is eating bamboo.Look! Here is an apple.The apple is red.1. 指上文提到过的人或物。如： Lucy bought a new bike. The bike is green.2. 世界上独一无二的事物。如： the sun the moon3. 谈到彼此都知道的人或事物。如： Open the door, please.定冠词the的用法4

3、. 序数词和形容词最高级前。如： She is always the first to get to school.5. 乐器名词前用。如： play the piano play the violin6. 定冠词与形容词连用表示一类人，加 在姓氏前面表示一家人。如： the rich 有钱人 the Smith 史密斯一家7. 某些专用名词和习惯用语中用定冠 词。如: the Great Wall by the way 1. 名词前已经有指示代词（this, that, these, those）、形容词性物主代词(my, his, our ) 或名词所有格等限定词。2. 表示语言、学科、三

4、餐、球类运 动、棋类运动的名词前。不用冠词的情况3. 表示星期、月份、季节、某些节日的名词前。4. 表示人名、国名、称呼语或头衔等专有名词前。5. 某些固定短语中。如: by bike, by bus, at first, at work, on foot, go to school, go to bed等。Fun in the zooMillie and Daniel are talking about the animals in the zoo. Complete their conversation with a, an or the.Millie: Lets go to the Pa

5、nda House first.Daniel: Here we are. I can see (1) _ panda there. Its lying on the grass.Millie: How cute! I really love pandas. Look! Theres (2) _ baby panda. Its so small. aaDaniel: Yes. (3) _ baby panda doesnt look like its mother.Millie: Now lets go to see some lions.Daniel: Are (4) _ lions in (

6、5) _ open area?Millie: No, they arent. They are in (6) _ very big cage.The the anaDaniel: I see. (Half an hour later)Daniel: Millie, heres (7) _ bridge. What can you see across it?Millie: Oh, (8) _ elephant is standing over there.Daniel: Lets go across (9) _ bridge and see (10) _ elephant.aanthethea

7、cross作介词，既可表示静态的位置关系，意为“在对面”，也可表示动态的移动方向，通常和一些表示“移动”的动词搭配使用，意为“从穿过”。例如：The hotel is just across the flower shop.旅馆就在花店的对面。It will take them two weeks to walk across the desert.徒步穿过这片沙漠将会花费他们两周的时间。在必要的地方用a, an, the填空。1. Where is Peter? He isnt at _ school.2. There is _ orange in the fridge.3. _ penci

8、l on the desk belongs to Sandy.4. I have _ new bike. I clean _ bike every day.anTheathe5. Dad often goes fishing in _ summer.6. A: Can I help you? B: Im looking for _ pair of shoes.7. The students often go to school by _ bike.8. Who is good at playing _ football in your class?9. _ boy in a red coat

9、is my cousin.aThe10. I live on _ third floor.11. There is _ “h”, _ “o”, _ “u” in the word “hour”.12. Simon likes to play _ piano but he doesnt like to play _ basketball.13. Beijing is _ capital of China.thethetheaananinsidePrepositions of place方位介词outsideonover/abovein front ofbehindon the left ofon

10、 the right ofunder/belowbeside/next toover 在的正上方 under 在的正下方above 在的上方(表面不接触)below 在的下方on 在的上面(表面接触)overunderabovebelowonDo you know these words?Lets learn them together.Can you fill in the blanks with these prepositions?1. There is a face _ the desk.2. The moon is _ the desk.3. The sun is _ the des

11、k.4. I can see a star _ the desk.5. There is a tree _ the desk.deskoveraboveunderbelow onThe flowers are in front of the shop.The trees are behind the shop.The shopkeeper is inside the shop.Look and sayThe boy is outside the shop.The food is above the drinks.The drinks are below the food.The sign is

12、 over the bench.The dog is under the bench.n. 长椅n. 指示牌In the parkSandy goes to the park every weekend. Look at the picture below and complete her description with the correct prepositions of place.Theres a beautiful lake in the park. Look! Two boys are rowing a boat (1) _ the lake. (2) _ the lake th

13、eres a football field. Some boys are playing football (3) _ it. Besideonon(4) _ the football field, there are two trees. On the left, a bird is singing (5) _ one tree. On the right, two boys are sitting (6) _ the other tree. (7) _ the two trees, three girls are chatting (8) _ the bench.In front ofBetweenin underon1. The football is _ the door, so I cant see it.2. Dont stand _ us, or we cant see the film clearly.3. There is an electric fan _ the desk.4. Look! Your rubber is _ the chair. Pick it up.behindin front of onunder填入适当的介词使句子通顺。5. The moon is now _ the trees.6. Eddie doesnt want to l