1. Why didn't I go to bed earlier last night ? (ought)
I ought to go to bed earlier last night.
2. You ought to water the plants. ( need)
The plants should be watered.
3. The trouble is , I like chocolate too much. (wish)
I wish I didn't like chocolate so much.
4. I can't decide what to wear.(mind)
I can't decide my mind what to wear.
5. What time were they supposed to arrive? (turn)
What time they should turn?