八年级英语下册知识点汇总·第4单元
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再过半个月新的学期就要开始了，对于上学期的课程经过一个暑假很多同学可能已经有些忘记，因此小编特为大家整理了上学期的课程知识点。希望大家利用开学前的半个月再对上学期的知识进行一下温习和补漏~  一. 重要词汇和句型 1. get ( 1 ) 买 get sth. for sb. == get sb. sth. 为某人买某物 Can you get some fruit for me when you go shopping ? == Can you get me some fruit when you go shopping ? ( 2 ) 得到, 到达 Where did you get the book ? When did you get the letter ? He got home late last night . (3) 使, 让 get + 宾语 + 宾补 使某人\ 某物 怎么样 Please get you coat clean . Get your mouth closed . get sb. to do sth. 使某人\ 某物做某事 I got him to call Jim yesterday . (4) ( 逐渐) 变得…The weather gets warmer and days get longer . Why did the teacher get angry ? 2. how about \ what about 后跟名词\ 代词\ 动词ing形式。 ( 1) 向对方提出建议或请求 How about going out for a walk ?How about something to eat ? (2) 向对方征求意见或看法 How about the TV play ? How about buying the house now ? ( 3 ) 询问天气或身体情况 How about the weather in Hainan Island ? How about your parents ? Are they living with you ? ( 4 ) 谈话中承接上下文 I’m forty years old . How about you ? I’m from Beijing . How about you ? 3. receive 收到 The girl was happy to receive many gifts on her birthday . receive a letter from == get a letter from == heard from收到某人的信 I received a letter from my parents last Sunday . == I got a letter from my parents last Sunday . == I heard from my parents last Sunday . accept 接受 He couldn’t accept our suggestions but our gifts . She was very glad to receive the invitation . He didn’t receive a good education at university . I received an invitation to the party , but I refused to accept it . 4. a 6--year – old child 一个六岁的孩子 6--year – old 是由 “数词 +名词 + 形容词 ” 构成的复合形容词, 作前置定语, 修饰后面的名词child . 数词+名词+形容词 构成的复合形容词，中间的名词要用单数形式： a five-year-old girl 一个五岁的女孩 a six-foot-deep hole 一个六英尺深的洞 a two-meter-long ruler 一把两米长的尺子 a 100-meter race一场百米赛跑 a ten-story-high building 一栋十层高的楼房 a two-inch-thick dictionary一本两英寸厚的词典 5. too … to… 太…… 而不能 …… too 后跟形容词或副词原形, to 后跟动词原形, 构成不定式. 句子的主语与 动词不定的主语不一时, 可以在动词不定式前加逻辑主语for sb. He is too young to join the army ( 军队) . The maths problem is too difficult for me to work out . 表示否定意义的never \ not 和too … to… 连用时表达肯定一样. One is never too old to learn . too … to… 可以与 enough to 和 so… that … 转换. 与enough to转换 时, enough 前的形容词, 副词必须是too 后面形容词, 副词的反义词, 并使用其否定句式. She is too young to do the work . == she isn’t old enough to do the work . 与 so… that … 转换时, that 后面的从句要用否定形式. Tom is too tired to walk any farther . == Tom is so tired that he can’t walk any farther . 6. cost 1) 动词 , 花费 \ 价值 (多少钱 ) How much did it cost ? I didn’t buy it because it cost too much . The meal cost us about 100 yuan . (2 ) 名词 , 成本, 费用, 价钱. at all costs不惜任何代价; at the cost of 以 …… 为代价. Living costs are higher in cities than that in the country . We must stop it at all costs . After the earthquake , the soldiers tried to reach the area at the cost of their lives . 7. pay , spend , cost , take 的区别 pay 花费 ( 多少钱 ) , 主语是人. Sb. pay some money for sth. I paid 5000 yuan for the computer last week . Spend 花费 ( 多少钱或时间 ),主语是人. Sb. spend some money on sth. Sb. spend some time ( in ) doing sth. I spent 5000 yuan |