[Grammar] Object + Gerund

[Checkmate]

"I saw the man climbing the wall"

or

"I saw the man was climbing the wall"

Which one is right? Does it depend on any context?

 

[MikeNewYork]

I prefer the first.

 

[Checkmate]

I prefer the first.

I think the first is like "I saw him climbing the wall" and the second is "I saw he was climbing the wall"

 

[MikeNewYork]

And what is the difference for you?

 

[Checkmate]

And what is the difference for you?

Why? Is there no difference?

 

[MikeNewYork]

In both cases, there was an observer who, in the past watched a man climbing a wall. What is the difference? In the second, the word "was" is unnecessary.

 

[Checkmate]

In both cases, there was an observer who, in the past watched a man climbing a wall. What is the difference? In the second, the word "was" is unnecessary.

If I want to change the object into a pronoun, Is it always "him"​?

 

[MikeNewYork]

If it is a man, yes.