④The little girls sang as they went．小姑娘们一边走，一边唱。
⑤The sad mother sat on the roadside，shouting as she was crying．伤心的妈妈坐在路边，边哭边叫。
4．在将来时从句中，常用when，且从句须用一般时代替将来时。
①You shall borrow the book when I have finished reading it．在我读完这本书后，你可以借阅。 ②When the manager comes here for a visit next week，Ill talk with him about this．下周，经理来这参观时，我会和他谈谈此事。
三、when用于表示“一……就……”的句型中（指过去的事情）。
sb．had hardly（＝scarcely） done sth．when．．．＝Hardly ／ Scarcely had sb．done sth．when．．． ①I had hardly ／scarcely closed my eyes when someone knocked at the door．＝Hardly ／ Scarcely had I closed my eyes when someone knocked at the door．我刚一闭上眼，就有人在敲门了。
②I had hardly ／scarcely entered my room when the telephone rang．＝Hardly ／Scarcely had I entered my room when the telephone rang．我刚一走进房门，电话就响了。
Come:
come across: a) find or meet by chance偶然发现或遇见 I came across this in a curio shop.我在一个古玩店里偶然发现了这个。; b) cross越过 We have come across the Alps by car.
come by: a) obtain, become possessed of获得，拥有 Was the money honestly come by? 那钱款的来路正当吗？; b) pass 经过，走过
come out: a) appear, become visible出现，显现; b) become known（消息）传出，（真相）大白; c) be published 出版; d) (of workers) strike工人罢工; e) (of details etc. in a photograph; of qualities) appear照片上的细微处，品质显现，表露; f) (of stains) be removed污迹被洗去; g) (of dyes) fade; disappear颜色消褪，消失; h) (of problem) be solved问题被解决; i) (of totals, average, etc.) amount to总数、平均数达到; j) (in examinations) have a certain position在考试中取得名次; k)make a debut in society or on the stage出入社交场合，初次登台
come upon: a) attack by surprise; strike突袭，突临: the disaster that came upon them; b) make a demand (for) 向…要求: She came upon him for alimony抚养费. c) be a burden to是一项负担: In former times paupers came upon (had to be supported by) the parish. 在从前，贫民们须依赖教区救济。
come to: = one of the meanings of “come round”: regain consciousness恢复知觉
come through: experience; survive经历，度过 He has come through two world wars.
come into: “come” use with “into” in numerous phrases通常用于一些短语中。
come into leaf (bud, blossom, flower): begin to show leaves 开始发叶（发芽、开花） come into a fortune: receive, inherit 继承（获得）一笔财产
come into one’s own: receive what one has a right 得到其所应得
come into power (of a political party, etc.) form the government 取得政权