REVISION: GRAMMAR UNIT 1
REWRITE: It started to snow, so we went inside immediately. (soon)
We went inside as soon as it started to snow
REWRITE: We had lunch and then we went out. (after) We went.......
We went out after we had had lunch.
REWRITE: During our picnic, a dog stole our sandwiches. (when) We were......
We were having a picnic, when a dog stole our sandwiches.