At a first moment, I thought that the hit of Will Smith toWill Smith's slap on Chris Rock was a simple performance. At first, I thought that Will Smith's slap on Chris Rock was a simple performance.

But watching the speech of Smith when he was picking up his Oscar, allit seems that wasit was all real. But watching the speech of Smith when he was picking up his Oscar, it seems that it was all real.

your first sentence is in past tense, so this one should be too. however, you are narrating in present tense ("it seems"). it's confusing!

For instance, when Will Smith went back, he seemsed to be smiling. For instance, when Will Smith went back, he seemed to be smiling.

past tense -- "went"

The hit was a little howlike how people slap in the movies, and with thean open hand. The hit was a little like how people slap in the movies with an open hand.

I think he don't want to seriously harm him inat any moment. I think he don't want to seriously harm him at any moment.

fFor me, it's a way to show in publicpublicly show his disagreement forwith a graceless joke. For me, it's a way to publicly show his disagreement with a graceless joke.