Difference between have and that have

AnonymousI just want to ask the difference between these two sentences

Programs that have developed to support people.

Programs that developed to support people.

First of all, I'm sorry to say that these are not sentences. Second, programs don't develop; they are developed. That is, someone develops the programs.

Nevertheless, n

AnonymousGood day!I just want to ask the difference between these two sentences.

Programs that have developed to support people.

Programs that developed to support people.

I don't see any difference between the two.

Those are not sentences. (They are noun phrases.)

Therefore, there is no reason to capit

CalifJimSecond, programs don't develop; they are developed. That is, someone develops the programs.

I also considered that, but I took the word "developed" as meaning evolved from originally having one main goal to later having a different goal.

As you may know, I am not inclined to indicate a difference between the two tenses unless there is a

CJ:

I didn't notice your post before I sent mine.

canadian45I also considered that, but I took the word "developed" as meaning evolved from originally having one main goal to later having a different goal.

I can see that as a possibility as well. Yes. Why not?

canadian45CJ:
I didn't notice your post before I sent mine.

That happens all the time here. For example, I might be working on a post, get distracted, leave it a while, return to it, and finally post it, and by then at least one other person has already replied. Also, there's some sort of delay so that threads are marked with zero responses when you sta