1. With a singular noun:
* All of the cake was eaten.
* All of the information was accurate.
* All of the world is watching.
2. With a plural noun:
* All of the students were excited for the trip.
* All of the flowers were blooming.
* All of the employees were given a raise.
3. With a pronoun:
* All of us are going to the beach.
* All of them were happy to see me.
* I ate all of it.
4. In phrases:
* All of a sudden, the lights went out.
* All of the time, she was smiling.
* All of a piece, the puzzle was solved.
5. With "none" or "neither":
* None of the children were interested in playing.
* Neither of them answered the question.
* All of the students, but none of the teachers, attended the meeting.
Things to remember:
* "All of" is often used to emphasize the entirety of something.
* "All of" can be used with countable and uncountable nouns.
* "All of" can be used with singular or plural nouns.
* "All of" can be placed at the beginning or end of a sentence, or within a phrase.
Let me know if you would like me to create more examples or explain a particular usage in more detail.