I ask you nice to translate 7 lines into English, please!

1 Мы уже стоим здесь полчаса.
We’ve (already) been standing here for half an hour (now). =
The shortest way of saying: Been standing here for 30 minutes.

2 Мы уже простояли здесь полчаса.
We’ve (already) been standing here for half an hour (now).

3 Мы только что здесь стояли.
We’ve just been standing here. =
We’ve been standing here just now.

4 Мы только что здесь стояли полчаса.
We’ve just been standing here for half an hour. =
We’ve been standing here just now for half an hour.

5 Мы бы не простояли здесь так долго, уже полчаса.
We wouldn’t have been standing here that long; for half an hour now.

6 Если бы мы стояли здесь уже полчаса, нам бы не было холодно.
If we hadn’t been standing here for half an hour (now), we wouldn’t be cold. =
Had we not been standing here for half an hour, we wouldn’t be feeling cold.

7 Если бы мы не стояли здесь уже полчаса, мы бы не замёрзли.
If we hadn’t been standing here for half an hour (now), we wouldn’t have got(ten) frozen (= cold).

1 we already cost(stand) here half an hour.
2 we already have stood here half an hour.
3 we just here stood.
4 we just here stood half an hour.
5 we would not stand here so long, already half an hour.
6 If we did not stand here already half an hour, it would not be cold to us.
7 If we did not stand here already half an hour, we would not freeze.