1. I had dinner. (trecut/past simple pt have dinner, afirmativ)
I didn't have dinner. (trecut pt have dinner, negativ)
2. I usually go to bed at 10 o' clock.
Today I will go to bed at 11 because it's Friday.
3. I play on my phone every day.
I don't play with my phone every day.
4. I vizited my friends yesterday.
I didn't visit my friends yesterday.