感官动词和使役动词语法详解
一、感官动词
1、see, hear, feel, watch, l ook, catch, notice, find, listen to, smell, seem, taste等感官动词后可接d o或d oing。后接动词原形(do)表示动作的完整性，真实性；+d oing 表示动作的连续性，进行性。
I saw him work in the gard en yesterday.
昨天我看见他在花园里干活了。(强调“我看见了”这个事实)
I saw him working in the gard en. (强调“我见他正干活”这个动作) 我看见他正在花园里干活。
★感官动词中sound, feel, l ook, smell, taste还可以做系动词，后可接形容词。This soup tastes d elicious. The id ea sounds great.
This cl oth feels soft. She l ooks beautiful in red.
The fl owers smell sweet.
2、使役动词
使役动词是表示使、令、让、帮、叫等意义的动词，主要有make (使，令)，l et (让)，help (帮助)，have (叫)，get 等。
（1）役动词make, l et后可以接动词原形，表示让某人做某事。
He mad e me (宾格) laugh.
他使我发笑。
注意：变为被动语态时，要加上to：I was mad e to laugh by him.
（2）使役动词get的结构为：
get +宾语+ to d o，表示让某人做某事。
例：The teacher mad e John copy the lesson ten times.
= The teacher had John copy the lesson ten times.
= The teacher got John to copy the lesson ten times.
例：I had him mend my watch.
= I got him to mend my watch.
（3）help的常用结构为：
help sb (to) d o sth / help sb with sth
例：He helps me to study Chinese.
Mary helps him with his pronunciation.
（4）have做使役动词的用法
1). have somebody d o sth让某人去做某事
I had him arrange for a car.
2). have somebody d oing sth.让某人持续做某事。
He had us laughing all through lunch.
3) have sth d one 某事让别人去做
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