固定搭配与短语
目的状语短语
重要程度:5 分
好的,下面是对“目的状语短语”的详细解释,并附有例子以便更好地理解。
### 目的状语短语
**定义**:目的状语短语是用来表达动作或状态发生的目的或意图的短语。通常位于句子的开头或结尾,用来说明执行某项动作的目的。
#### 构成
- **不定式**:`to + 动词原形`
- **so as to + 动词原形**
- **in order to + 动词原形`
- **介词短语**:如`for the purpose of`, `with the aim of`, `in the hope of`
#### 举例
1. **不定式**
- 原句:He got up early.
- 加入目的状语:He got up early **to catch the early bus**.
2. **so as to + 动词原形**
- 原句:She left her house.
- 加入目的状语:She left her house **so as to catch the early bus**.
3. **in order to + 动词原形**
- 原句:I studied hard.
- 加入目的状语:I studied hard **in order to pass the exam**.
4. **介词短语**
- 原句:They worked hard.
- 加入目的状语:They worked hard **for the purpose of passing the exam**.
#### 例题
**题目**:选择合适的短语完成句子。
- 原句:The teacher spoke slowly, __________ the students could understand him better.
- 选项:
- A. so as to
- B. in order that
- C. for the purpose of
- D. with the aim of
**解析**:这个句子需要一个目的状语短语来表达老师说话慢的原因。选项A和B都是正确的,但A更常用且简洁。所以正确答案是A。
**答案**:A. so as to
希望这些解释和例子能帮助你更好地理解目的状语短语的用法。