感官動(dòng)詞 see,watch,observe,notice,look at,hear,listen to,smell,taste,feel + do 表示動(dòng)作的完整性,真實(shí)性；+doing 表示動(dòng)作的連續(xù)性,進(jìn)行性
I saw him work in the garden yesterday.
昨天我看見他在花園里干活了.(強(qiáng)調(diào)"我看見了"這個(gè)事實(shí))
I saw him working in the garden yesterday.（強(qiáng)調(diào)"我見他正干活"這個(gè)動(dòng)作）
昨天我見他正在花園里干活.
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.因題意為,他們看著她長(zhǎng)大,因此強(qiáng)調(diào)的是成長(zhǎng)的過程,而非正在長(zhǎng)的動(dòng)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.本題強(qiáng)調(diào)其動(dòng)作,正在河邊玩,應(yīng)此用see sb.doing sth句型.