译林版七年级下册英语Unit 4知识点及语法归纳

译林版七年级下册英语Unit 4知识点及语法归纳一、重点词组、句型1. Are you sure, Hobo?be sure of sth. 对……确信（有把握）be sure to do sth. 一定要去做某事be sure +that从句I am sure of my answers. 我对我的答案有把握。They are sure to win the game. 他们一定会赢得比赛。I am sure that they will win the game.2．I think we have to go up again．have(had/has) to意为“不得不"，强调客观，愿意也要做，不愿意也要做（否定式don’t have to）must强调主观，自己认为必须要去做, 但mustn’t 意为“禁止，不准”,语气强烈。Dad, must I finish my homework before going shopping？爸爸，我必须要在购物之前完成作业吗？肯定回答：Yes, you must./ I’m afraid you have to.否定回答：No, you don’t have to./ No, you needn’t.My bike is broken，so I walk to school．3．Sunshine Zoo is north of Sunshine Middle School．表示“A在B的东/南/西/北面”用句型:”A is east/south/west/north of B”其同义句是：A is to/on the east/south/west/north of Beg. Nanjing is west of Shanghai=Nanjing is to the west of Shanghai.表示方位的介词in, on与to 的区别（1）in表示A在B的范围之内, Taiwan is the south of China.(2) to表示两者不接壤，不从属Hangzhou is the south of Taizhou.(3)on表示两地接壤China is on the south of Russia.4. Remember that they are dangerous. Never go near them.记住他们很危险，不要靠近他们remember sth. 记得/记住某物Can you remember your ID card numbers?remember to do sth. 记得去做某事（未做）Please remember to turn off the lights when you leave. remember doing sth. 记得做过某事（已经做了）I remember turning off the lights, but it’s on now. remember +that从句反义词：forget（过去式forgot）用法相同eg. Please remember (turn) off the light when you leave the classroom.I remember (meet) the man somewhere.5．Go straight on，and you’ll find the Panda House.“祈使句+and／or +一般将来时"表示在假设的某种条件下将会产生的结果，and通常后接好的结果，or 意为“否则”，通常后接不好的结果。如：Hurry up, and we’ll catch the early bus．Hurry up，or we’ll miss the early bus．Work hard, you’ll pass the exam.(and/or)6. Take the second turning/crossing on the right.在第二个拐弯处向右拐。= Turn right at the second turning/crossing.Turn right into People’s Road. 向右拐入人民路。7．The treasure is under the ground in front of the third tree on the left．in front of意为“在某物外部的前面”，in the front of指“在某物内部的前面”。The teacher is having the lesson in the front of the classroom．There is a bus in front of the classroom．Lily is sitting Daniel.8．How do I get there? 去那儿的路怎么走呢?这是问路的一种表达。还有如下同义表达：(1)Which is the way to．．．? (2)Where is the．．．?(3)Is there a．．．near here? (4)Could you tell me the way to…．?(5)Could you tell me how to get to/how I can get to．．．?9.⑴sound n.声音在一般情况下，泛指各种声音。如：sound vi.听起来（系动词）Your idea great./那听起来是个好主意。⑵与noise, voice 的用法区别noise 主要指大声的、令人不愉快的声音，尤指噪音(可用作可数或不可数名词)。如：voice 主要指人讲话或唱歌的声音(是可数名词)。如He speaks in a low voice.10. prepare ……for……为……准备……二．语法复习10 1．冠词(a ／an ，the)the 用法：特指双方熟悉，上文已经提及，世上独一无二，方位名词乐器，某些专有名词，外加姓氏复数 序数词最高级，也指固定人群 （the poor/young/ old ……穷人们、年轻人们、老人们）零冠词：下列情况不用冠，名词之前代词限，复数名词表种类，球类学科和三餐，四季七天12个月，交通方式和节日，固定搭配和头衔。2.方位介词：in ，on ，under ，behind ，near ，at ，between （在两者之间），in front of ／in the front of ，above ，below, beside ，inside ，outside 等。Shall we meet the school gate?It’s very cold the room. Please come in ,Simon.Nick lives on the fourth floor. I live two floors him, I live on the sixth floor.through 介词，意为“通过；穿过”，多指从立体空间（的内部）穿越，可和forest, city, window 等搭配。 over 指从物体的悬空上方移过， across 指从表面穿过，可和street, bridge 等搭配。We’re looking ________ the window.Look! The old man is walking __________the street.(1)Can you swim__________ the river? (2)The road runs____________ the forest ． (3)Go _________ the bridge ，you’ll find a cinema ． (4)Many birds are flying _________our building ．in front of 指在某物（外部）的前面，与“behind 在……后面”相对应，in the front of 意为在某个物体内部的前端，与at the back of 相对应。eg. There are some trees___________________ our classroom.（树在教室的外面，不是生长在教室里） There is a teaching desk __________________our classroom.(讲台在教室里面)三、四会内容1、go straight on 一直向前2、lie down 躺下来3、all day long 整天的4、jump around 到处跳5、make people laugh 使人笑6、cross （=go/walk across ）the bridge 过桥7、lie on the grass 躺在草地上8、over there 在那边9、on the left/right 在左/右边10、on the left/right of …… 在……的左/右边on one ’s left/right 在某人的左/右边11、walk past the house 走过那幢房子12、at the corner of 在…..拐弯处in the corner 在角落13、plenty of food 充足的食物= a lot of food