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1、牛津7A Unit4 难点讲解 1. meat / bread /tea 它们是不可数名词,没有复数形式。如 some meat 一些肉 a piece of meat 一块肉 two pieces of bread 两片面包 但cake, hamburger是可数名词 tea无论是表示茶还是茶叶全是不可数名词。A cup of tea 一杯茶,two bags of tea 两袋茶叶 。 Some meat is in the bowl 。一些肉在碗里。 I want to buy a kilo of meat .我想买一公斤肉 Please give her some bread .请给她
2、一些面包。 Mother often makes a cake for me .妈妈经常给我做蛋糕。 I want to buy a bag of tea .我想买一袋茶叶。 Please make a cup of tea for me。请给我泡杯茶。 2.often 类似的词,常见的还有always (总是)usually(通常)often(经常)sometimes (有时)seldom(很少)never(从不)这些副词常用于一般现在时的句子中,常置于助动词之后,实义动词之前。 She often comes to see her son。 她常来看她的女儿。 He always gets
3、 to school early .他总是到校早。 The boy is never late for school。这个男孩上学从来不迟到。 He doesnt usually have lunch at home .他通常不在家吃午饭。3. before 介词在。以前,在。前面.反义词是after在。之后. Before 表示时间、次序“在。前面“。In front of 主要表示地点“在前面 The shop is not open before eight oclock. 八点钟之前这家商店不开门。 Have a wash before meals , please. 饭前请洗一洗。
4、Put your study before everything. 把你的学习放在首位。4.You are always hungry,Eddie . hungry意为“饥饿应与be动词在一起用。它的反义词full I am very hungry now.and I want some bread . 我现在很饿,我想吃一些面包。5.I seldom ate fruit and vegetables . 我很少吃水果和蔬菜。 Fruit 可作为一个集体名词,是不可数的,但当表示水果种类时,它又是可数名词 I like fruit very much . 我非常喜欢水果。 What fruit
5、s are in season now ?哪些水果正上市。6. It is important for a dancer to be healthy . 健康对一个舞蹈演员来说很重要。 这是一个固定句型It +be+adj.+for sb.+to do sth.“做某事对某人怎么样, It is very important for us to learn English well . 目前学好英语对我们非常重要。 It is enough for the students to help parents with the housework on Sundays . 在星期天帮助父母做家务对
6、学生来说足够了。 It is nice to see you .见到你真快乐。 It is useful to read more books . 多看书有用的。7.I get tired when I dance .我跳舞时很累。 When I dance 是状语从句修饰前面的主句,也可放在句首。When理解为“当。时候 When he gets home , he sees his mother cooking for him . 当他到家时,他看到他的母亲在为烧饭。 I wear a swimsuit when I swim 。我游泳时穿游泳衣。 Get tired=be tired 疲劳,累。 Are you tired?你累了吗?8. I swim twice a week .我一周游泳二次。 有关的 once (一次) three times (三次) four times四次 five days a week 一周五天 once a month 一个月一次