(
课件网) Unit 4 Space Exploration Section Ⅱ Discovering Useful Structures 英 语 2026 内容索引 走近新课 一起感知 语法探究 一起思考 随堂练习 走近新课 一起感知 定语 状语 定语 定语 状语 阅读下列句子,写出画线部分在句中所做的成分 1.I have nothing to say. 2.They went to see their aunt. 3.That’s the way to do it. 4.Lisa got a new toy to play with. 5.Other men live to eat,while I eat to live. 语法探究 一起思考 词汇讲解 Astronauts’ bones and muscles can get very weak in space due to the lack of gravity,so they need to exercise every day,which will help them stay healthy.(page 42) 由于缺乏重力,宇航员的骨头和肌肉在太空中可能会变得很虚弱,因此他们需要每天锻炼,这将有助于他们保持健康。 ★lack n. 缺乏;短缺 She was tired for lack of sleep. 她由于缺乏睡眠而疲惫不堪。 Lack of exercise made him very weak. 缺少锻炼让他非常虚弱。 【合作探究】 读一读·细观察 阅读下列句子,写出句中黑体词的词性及含义 ①His real problem is that he lacks confidence. 词性 (及物)动词 含义 没有;缺乏 ②The teacher said that the children were lacking in confidence. 词性 形容词 含义 没有;缺乏;不足 ③Now we lacks for money and time. 词性 (不及物)动词 含义 没有;缺乏;不足 说一说·勤归纳 【即学即用】 句型转换 Though Jack lacked experience,he made up for it in enthusiasm. →Though experience,Jack made up for it in enthusiasm. →Though experience,Jack made up for it in enthusiasm. →Though experience,Jack made up for it in enthusiasm. lacking lacking for lacking in 语法讲解 知识脉络 语法精讲 动词不定式做状语和定语 一、动词不定式做状语 1.动词不定式做状语表示目的。 Her mother plans to fly to Beijing at least four times a year to/in order to/so as to visit her. 她母亲计划每年至少四次飞到北京去看她。 to+动词原形 放于句首、句中 in order to+动词原形 放于句首、句中 so as to+动词原形 放于句中 2.动词不定式做状语表示结果。 to+动词原形 结果…… only to+动词原形 结果却……(表示意外的或事与愿违的结果) so+adj./adv.+as to+动词原形 如此……以至于…… too+adj./adv.+to+动词原形 太……而不能做…… ...enough+to+动词原形 足以…… 我做什么冒犯你了 Jane hurried back only to find that the party was over. 简匆忙赶回来,却发现聚会已经结束了。 I’m too tired to stay up. 我太累了,不能熬夜了。 He is old enough to go to school. 他到上学的年龄了。 3.动词不定式做状语表示原因,多用于“sb+be+adj.+to do...”结构句中。 I was very sad to hear the news. 听到这个消息我很难过。 【即学即用】 单句语法填空 (1) (make) a study of kangaroos,he went to Australia. (2)He hurriedly got to the station,only (find) the train had left. (3)The boy is too young (carry) the bag. (4)In order (help) his parents,he always finishes his homework ahead of time. (5)When the gorillas and I frightened each other,I was just glad (find) them alive. To make to find to carry to help to find 二、动词不定式做定语 用动词不定式做定 ... ...
