PETS－2語法講解(28)

感官動詞 doing/to do
　　感官動詞 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel do 表示動作的完整性，真實性； doing 表示動作的連續性，進行性
　　I saw him work in the garden yesterday.
　　昨天我看見他在花園裡乾活了。(強調"我看見了"這個事實)
　　I saw him working in the garden yesterday.（強調"我見他正乾活"這個動作）
　　昨天我見他正在花園裡乾活。
　　典型例題
　　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。因題意爲，他們看著她長大，因此強調的是成長的過程，而非正在長的動作，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 playingC. playD. to play
　　答案A. 本題強調其動作，正在河邊玩，應此用see sb. doing sth句型。