Period 4: Grammar学习目标 1. 扎实掌握词汇与语法的用法,提升综合语言运用能力。 自主学习,合作探究;学会分析与总结的方法并学以致用。学习难点:动词不定式的用法学习重点:如何掌握动词不定式的用法课前预习预习自测:用括号中动词的适当形式填空学情诊断 (1)Do tell me the way you think of _____________ the problem as soon as possible.(solve)(2)As an employee,I couldn’t help but _____________ still for hours as the boss told me to.(stand)(3)If there’s a lot of work _____________,I’m happy to just keep on until it’s finished.(do)(4)I want to find some interesting books _____________.(read) (5)I have no choice but _____________ the fact.(accept)课内探究一、动词不定式定义:在语法中,它是动词的一种不带词形变化从而不指示人称、数量、时态的形式。由 to+动词原形构成,否定式 not to do.1.动词不定式的时态和语态形式时态主动被动一般式to doto be done进行式to be doing 完成式to have doneto have been done(1)一般式:表示不定式的动作与谓语动作同时发生或动作发生于谓语动作之后。He seems to understand what I said.他似乎明白我说的话。(2)进行式:表示不定式的动作与谓语动作同时发生且动作正在进行。The two cheats pretended to be working hard.那两个骗子假装在努力工作。(3)完成式:表示不定式动作发 生于谓语动作之前。She seems to have seen this film.她似乎已看过这部影片。(4)被动语态:表示不定式与逻辑主语之间的动宾关系。The meeting to be held tomorrow is about how to stop the pollution.明天要举行的会议是关于如何停止污染的。2.动词不定式的句法功能不定式的句法功能是作主语、表语、宾语、宾语补足语、主语补足语、定语、状语等。To get there by bike will take us half an hour.我们骑自行车去那里要花半个小时。(主语)When our visit to the farm was over, we expected to start back on foot.当参观农场结束时,我们期望步行返回。(宾语)He asked me to do the work with him.他要求我同他一起做这项工作。(宾补)I was asked to help him with his lessons.1我被请求帮他学功课。(主语补足语)S...