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常见的时间状语从句PPT课件.ppt

发布:2018-11-05约3.69千字共10页下载文档
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BACK TO SCHOOL 去除PPT模板上的--无忧PPT整理发布的文字 首先打开PPT模板,选择视图,然后选择幻灯片母版 然后再在幻灯片母版视图中点击“无忧PPT整理发布”的文字文本框,删除,保存即可 更多PPT模板资源,请访问无忧PPT网站-- 使用时删除本备注即可 ? 将此幻灯片插入到演示文稿中 将此模板作为演示文稿(.ppt 文件)保存到计算机上。 打开将包含该图像幻灯片的演示文稿。 在“幻灯片”选项卡上,将插入点置于将位于该图像幻灯片之前的幻灯片之后。(确保不要选择幻灯片。插入点应位于幻灯片之间。) 在“插入”菜单上,单击“幻灯片(从文件)”。 在“幻灯片搜索器”对话框中,单击“搜索演示文稿”选项卡。 单击“浏览”,找到并选择包含该图像幻灯片的演示文稿,然后单击“打开”。 在“幻灯片(从文件)”对话框中,选择该图像幻灯片。 选中“保留源格式”复选框。如果不选中此复选框,复制的幻灯片将继承在演示文稿中位于它之前的幻灯片的设计。 单击“插入”。 单击“关闭”。 * Adverbial Clauses 条件状语 原因状语 目的状语 地点状语 比较状语 结果状语 时间状语 让步状语 方式状语 掌握状语从句的关键 1.准确掌握每一个连词的含义。 2.注意主句和从句的时态呼应。 (1) as , while , when Which do you choose? -I′m going to the post office. -_____ you are there, can you buy me some stamps? A.As  B.while  C.Because  D.If 连接词类别 作 用 例 句 as as 表示“当……的时候”,往往和 when/ while 通用,但它着重强调主句与从句的动作或事情同时或几乎同时发生。 1.She came up as I was cooking.(同时) 2.The runners started as the gun went off.(几乎同时) when when可以和延续性动词连用,也可以和短暂性动词连用; when从句的谓语动词可以在主句谓语动作之前、之后或同时发生;while和as从句的谓语动作必须是和主句谓语动作同时发生。 1.When we were at school, we went to the library every day.(在一段时间内) 2.Sorry,I was out when you called me.(call为短暂性动词)对不起,你打电话时我刚好外出了。 3. When I got to the airport,the guests had left.(got to后发生)当我赶到飞机场时,客人们已经离开了。 while 从句动作和主句动作同时发生,且从句动作为延续性动词时,(when,while,as都可使用)。 主句中的动作或事情是在从句中的动作或事情的进展过程中发生,从句中的动词一般要用延续性动词。 1.When /While /As we were dancing,a stranger came in.(dance为延续性动词)。 2.Please don’t talk so loud while others are working. While ,when 在句中的不同含义: While I was walking down the street, I came across an old friend. ( while=_______) While I really don’t like art, I find his work impressive. ( while =_________ ) He likes pop music, while I am fond of folk music. Strike while iron is hot. They were walking down the street when they saw an accident. 2) I had just got home when it began to rain. 3) I was about to go swimming when our guide stopped me. 4) Its cold when it snows. As I left the house, I forgot the key. 2. As I get older, I get more optimistic. 3. He looked behind as he wen
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