leave:
1. Why did you have to leave?
2. I will leave the house at eight o'clock.
3. Did she leave the front door open?
4. Leave me alone!
5. Helen, leave me some chips!
left:
1. I left that party.
2. They left me with no choice.
3. I looked to the right and the left but no one was there.
4. Codrin left a while ago.
5. On her left, there was a bike.
