256. I used¹ to take a walk in the early morning. 我过去常一大早出去散步。

257. He used to live in my neighborhood. 他曾与我是邻居。

258. Did you use to go fishing with friends? 过去你常和朋友钓鱼吗？

259. We have known² each other for 6 years. 我们认识有六年了。

260. It has been a long time since last came here. 自从我上次来这里已经有很长时间了。

261. Have you seen Mr. Smith recently? 最近你见过史密斯先生吗？

262. They've been working on this project since last year.

他们从去年开始一直都在做这个项目。

263. I've been watching TV all night. 我看了一整晚的电视。

264. The movie began as soon as we got there. 我们一到那儿电影就开始了。

265. When I arrived at the station, the train had already left. 我到车站时，火车已经开了。

266. The late arrival³ of the ship had messed⁴ up all our plans.

船到晚了，把我们的计划全打乱了。

267. I had thought he knew the time of the meeting. 我原以为他知道开会时间。

268. They had expected me to go with them. 他们原本希望我和他们一起去。

269. That was the third time that I had visited the place. 那是我第三次参观那地方了。

270. After I had finished my paper, I put it in the drawer. 我写完论文，就把它放在抽屉了。