It was woarm and breezy today. It was warm and breezy today.

Worm = the animal Warm = a temperature

I played a tag with all the secondary students in the break time today. I played tag with all the secondary students in the break time today.

If you wanted to use "a", you could say "I played a game of tag." Otherwise you can just say you played tag. If you are also a secondary student, you should add "other", as in "all the other secondary students."

The tagsger were the grade 7 teacher and the principal in the first tigame. The tagger were the grade 7 teacher and the principal in the first game.

TIn the second tigame, we played freeze tag. In the second game, we played freeze tag.

Three of us became it, and rest of ues were caught instantly. Three of us became it, and rest of us were caught instantly.

It was fun, and it had been a while since the last time I did something like that. It was fun, and it had been a while since the last time I did something like that.

You always have to specify WHAT you did/are doing. An alternative could be: "...it had been a while since I last played tag."

After we played the tag, we studyied Japanese. After we played the tag, we studied Japanese.

Today's homework is imagining that what would happen if the story washadn't stopped and write the new story tahat would continue it. Today's homework is imagining that what would happen if the story hadn't stopped and write the new story that would continue it.

I think "hadn't" makes more sense here as it is conditional. IF the story hadn't stopped, THEN potentially this could have happened. With "this" being whatever additional story you write.