导航 重点短语 1. 由于；因为 2. 出发；启程；引爆；引发 3. 成长；长大 4. (预言等)成事实；实现
导航 重点短语 1. due to 由于;因为 2. set off 出发;启程;引爆;引发 3. grow up 成长;长大 4. come true (预言等)成事实;实现
语法图解 导航 不定式 to/only tol in order to/so as to/ such as to... 表事先没有预料到 的结果，要放在句 子后面 原因状语 “to0.to.”结构表否定 语 语 be+不定式 “形容词+enough to do”结构表肯定 动词+疑问 做表语 词+不定式 做状语 做宾语 动词+不定式 做宾补 动词+宾语+不定式 做主语 不定 做定语 式句 It+be+形容词+ 法功 被修饰的词（名词/ 不定式 代词)+不定式
导航 语法图解 不定式
导航 探究发现 1.To stop the work now seems impossible. 2.It is not easy for us to give up what we have possessed. 3.We will arrange to see him tomorrow. 4.They preferred not to put this on the agenda. 5.I didn't expect you to arrive here so soon. 6.He was delighted to see his old friend again
导航 探究发现 1.To stop the work now seems impossible. 2.It is not easy for us to give up what we have possessed. 3.We will arrange to see him tomorrow. 4.They preferred not to put this on the agenda. 5.I didn't expect you to arrive here so soon. 6.He was delighted to see his old friend again
导航 7.A group of young people got together to discuss this question. 8.The whole nation was in deep sorrow to learn the death of the great hero. 9.His wish is to buy a luxurious car in the near future. 10.He was the first athlete to get to the finishing line
导航 7.A group of young people got together to discuss this question. 8.The whole nation was in deep sorrow to learn the death of the great hero. 9.His wish is to buy a luxurious car in the near future. 10.He was the first athlete to get to the finishing line
导 思考发现 不定式是英语动词的非谓语形式之一，具有名词、形容词和副词 的特征，在句子中可以做 和 等成分。不定式不会随着时间、 人称的变化而变化，永远是“to+动词原形”的形式，只不过有的o 可以省略，有的to不能省略。其否定形式是在to前面加上ot,即 “not to+ ”。不定式存在着 三种时态，同时还有 和 两种 语态之分
导航 不定式是英语动词的非谓语形式之一,具有名词、形容词和副词 的特征,在句子中可以做 主语 、 宾语 、 表语 、 定语 、 状语 和 宾补 等成分。不定式不会随着时间、 人称的变化而变化,永远是“to + 动词原形”的形式,只不过有的to 可以省略,有的to不能省略。其否定形式是在to前面加上not,即 “not to+动词原形”。不定式存在着 一般时 、 进行时 、 完成时 三种时态,同时还有 主动语态 和 被动语态 两种 语态之分