See, watch or look at

Used for the ability of seeing

Notice something using our eyes

Example:

I can see you out there!

Public performances or sport matches

Example:

A What did you do for your birthday?

B I went to see a movie with my friends

We use LOOK or LOOK AT when we direct our eyes at somewhere, when we pay some attention

Example:

Look! It's a monster!

Look at the board please.

We use WATCH when we pay attention to something we are seeing.

Example:

The guard is watching over the neighbourhood

For TV!

Example:

My sister watches TV all day long!

For guard, or take care of something

Example:

I have to watch the turkey in the oven