英语翻译1.我等了你20分钟,你没来,我就先走了.（ 语境 ：事情发生在过去,现在 人已经 走了）2.我只等你20 分钟

1.I waited 20 minutes, and you did not come. I left.
2. I'm just waiting for you for 20 minutes. if you do not come, I'll go first.
3. I've been waiting for 40 minutes, and now he has not come yet.I will wait for another 10 minutes, and if he does not come, I left. I do not like the unpunctual person.

1.I waited 20 minutes, and you did not come, I'll go first
2.I just wait for you for 20 minutes, if you do not, I'll go first
3.I've been waiting 40 minutes, and now he has not come yet, I wait for another 10 minutes, and if he does not come, I left, and I do not like a punctual person.

i have been here 20 minutes.
i just stay here 20 minutes
i already waited 40 minutes , i can only wait another 10 minutes