成考专升本英语特殊词精讲

begin（start） doing/to do

begin / start to do sth

begin / start doing sth.

1）　谈及一项长期活动或开始一种习惯时，使用doing.

How old were you when you first started playing the piano？

你几岁时开始弹钢琴？

2）　begin， start用进行时时，后面动词用不定式to do

I was beginning to get angry.

我开始生起气来。

3）　在attempt， intend， begin， start 后接know， understand， realize这类动词时，常用不定式to do.

I begin to understand the truth.

我开始明白真相。

4）　物作主语时

It began to melt.

感官动词 + doing/to do

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 ** do sth 的句型。 EMBA考试

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 **. doing sth句型。