Suppose there is a question about how many people there are in some place, and I am presently at that place. I could say:
"I could see a hundred people here."
"I see a hundred people here."
"I could count a hundred people here."
"I count a hundred people here."
It seems the sentences 1, 2, and 3 give approximately the same meaning. Could sentence 4 give this meaning too?

