【简明语法】8.12 特殊词精讲－感官动词 + doing/to do_英语语法

　　感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do　 表示动作的完整性，真实性；+doing 表示动作的连续性，进行性
　
　i saw him work in the garden 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 garden yesterday.（强调"我见他正干活"这个动作）
　昨天我见他正在花园里干活。

典型例题
1）they knew her very well. they had seen her ___ up from childhood.　
　 a. grow　 b. grew　 c. was growing　 d. to grow
　 答案：a。因题意为，他们看着她长大，因此强调的是成长的过程，而非正在长的动作，因此用see sb do sth 的句型。

2）the missing boy was last seen ___ near the river.　
　a. playing　 b. to be playing　　c. play　　d. to play
　答案a. 本题强调其动作，正在河边玩，应此用see sb. doing sth句型。