> 原形不定式:不含有to的动词不定式
# 使役动词
## have make let
表示”使/让······“
have,make,let 做使役动词,构成结构为:
have/make/let + 宾语 + v
```
He made me laugh.
I let him go.
Please have him come here.
```
## get help
get的使役动词句为:”get + 宾语 + to + v“
help的使役动词句为:”help + 宾语 + (to) + v“
```
I can't get anyone to do the work properly. 我不能让任何人准确的去做这项工作。
I helped him (to) repair the car. 我帮他修理小轿车。
```
## 所有使役动词 + 宾语 + 过去分词
表示”让某物/人被别人······“
```
I must get my hair cut.我必须让我的头发被别人剪。
He couldn't make himself heard.他不能让他自己被听到。
Can you get the work finished in time?你能让这项工作被别人按时完成吗?
```
# 感官动词
## see/watch/observe/notice/hear/smell/taste/feel
* 感官动词 + 宾语 + 动词原形/现在分词
* +动词原形,表示动作的真实性
* +现在分词,表示动作的连续性,进行性
```
I saw him work in the garden yesterday.我昨天看见他在花园里工作。
I saw him working in the garden yesterday.
```
* 感官动词 + 宾语 + 过去分词
表示被动的含义
```
John saw the man knocked down by the car. John看见那个那人被小轿车撞倒了。
```