see sb. doing sth, 可否與 see sb. do sth.互換?
<答>. 不能,雖然某些動(dòng)詞如:see, hear, notice, watch.等后接動(dòng)詞-ing 形式或不定式(不帶to)作賓語(yǔ)補(bǔ)足語(yǔ)都可以.但意思上有區(qū)別.比較:
I saw them playing basketball at 5 p.m. yesterday.(打籃球的動(dòng)作正在進(jìn)行,表示部分進(jìn)行著的動(dòng)作.)
I saw them play basketball yesterday. (打籃球的動(dòng)作已完成,表示全過(guò)程的動(dòng)作.)
練習(xí): 用所給的適當(dāng)形式填空.
1). We watched them ________ (get) off the bus,__________ (cross) the street and _________ (disappear) among the people.
2). Suddenly we heard someone __________ (cry) for help.
be about to do 是什么意思?
<答>.be about to (do sth.) 表示將來(lái),意為"馬上就要"或"正要"例如:
She is about to leave. 她馬上就要?jiǎng)由砹?
注釋:
1). 本結(jié)構(gòu)后通常不能有 immediately, tomorrow, next week 等時(shí)間狀語(yǔ).如"我立刻就走"不可說(shuō)成 I am about to go immediately. (應(yīng)把immediately 刪去)
2). be about to do sth. 可與be about doing sth. 換用
3). be about 之間加just 是美國(guó)口語(yǔ)用法.
練習(xí):選擇答案填空.
He is about ________.
A. to start this afternoon B. to start C. to starting D. to be starting
答案: get, cross, disappear. crying. B
<答>. 不能,雖然某些動(dòng)詞如:see, hear, notice, watch.等后接動(dòng)詞-ing 形式或不定式(不帶to)作賓語(yǔ)補(bǔ)足語(yǔ)都可以.但意思上有區(qū)別.比較:
I saw them playing basketball at 5 p.m. yesterday.(打籃球的動(dòng)作正在進(jìn)行,表示部分進(jìn)行著的動(dòng)作.)
I saw them play basketball yesterday. (打籃球的動(dòng)作已完成,表示全過(guò)程的動(dòng)作.)
練習(xí): 用所給的適當(dāng)形式填空.
1). We watched them ________ (get) off the bus,__________ (cross) the street and _________ (disappear) among the people.
2). Suddenly we heard someone __________ (cry) for help.
be about to do 是什么意思?
<答>.be about to (do sth.) 表示將來(lái),意為"馬上就要"或"正要"例如:
She is about to leave. 她馬上就要?jiǎng)由砹?
注釋:
1). 本結(jié)構(gòu)后通常不能有 immediately, tomorrow, next week 等時(shí)間狀語(yǔ).如"我立刻就走"不可說(shuō)成 I am about to go immediately. (應(yīng)把immediately 刪去)
2). be about to do sth. 可與be about doing sth. 換用
3). be about 之間加just 是美國(guó)口語(yǔ)用法.
練習(xí):選擇答案填空.
He is about ________.
A. to start this afternoon B. to start C. to starting D. to be starting
答案: get, cross, disappear. crying. B