2018届中考英语总复习（外研版）第一篇中考语法基础知识课件：第23课九下Modules 3-4 (共47张PPT).ppt

一、Suddenly, I saw a baby bear playing with some sticks and stones. 突然，我看见一只小熊正在玩一些木棍和石头。 【例句展示】 1. I’ve seen HAS play several times this season, and they’re brilliant! 这个赛季我看过海淀全明星队的几次比赛，他们棒极了！ 2. Last night I saw a man steal something from your shop. 昨天晚上我看见一个男子从你的店里偷东西了。 【归纳提高】 1. see sb. do sth.表示“看见某人做某事”，其中do sth.为宾语补足语。see sb. doing sth.表示“看见某人正在做某事”。 2. find/notice/hear sb. do sth.表示“发现/注意到/听到某人做某事”。 3. see sb. do sth.变为被动语态时，要写成sb. be seen to do sth.；而see sb. doing sth.变为被动语态时，则要写成sb. be seen doing sth.。 【活学活用】 A）根据汉语意思翻译句子。 1. 他父亲看见他蹲在鸡蛋上。 His father him on some eggs. 2. 妇女路过时，看到了事情的发生。 A woman it when she was walking past. saw sitting saw happen B）将下列句子改为被动语态。 3. I saw him run away. He away. 4. I saw him running away. He away. was seen to run was seen running 二、Smoking is not allowed inside the building. 这幢建筑楼里不允许抽烟。 【例句展示】 1. Cycling is more relaxing than running. 骑自行车要比跑步轻松多了。 2. Drinking milk is good for you. 喝牛奶对你有好处。 3. Running and swimming are good exercise. 跑步和游泳都是很好的锻炼。 【归纳提高】 smoking, cycling, drinking, running和swimming在句中相当于名词，处于主语的位置。在英语中，v.?鄄ing形式有时相当于名词，因此，可以在句中作主语。 【活学活用】 A）根据汉语意思翻译句子。 1. 躺在床上看书对你的眼睛不好。 in bed good for your eyes. Reading isn’t 2. 读书和画画都是我的爱好。 both my hobbies. B）对画线部分提问。 3. Drinking milk is good for you. good for you? Reading and drawing are What is 三、But people don’t take as much exercise as they used to. 但是人们做的运动不如从前那样多了。 【例句展示】 1. It isn’t as big as ours. It’s only got about 700 pupils. 它不如我们学校大，只有700个学生。 2. He is as strong as a horse. 他力大如牛。 3. Their room is four times as large as ours. 他们的房间是我们的四倍。 4. He is twice as old as I. 他的年龄是我的两倍。 【归纳提高】 as...as用法如下： 1. “as+形容词或副词原级+as”意为“达到与……相同的程度”。 2. 表倍数，用“倍数+as...as”结构。 3. 在否定句中可用not as...as。as...as既可用于肯定句，也可用于否定句；而so...as只用于否定句。 【活学