大家都搜：
可能是
1、have been───已经；一直；去过（现在完成时）
2、could have───本能够; 本来也可以；本能够；本来也可以
3、have been to───v.曾经到过（去过）
4、phosphates could have───磷酸盐可能有
5、have been in───呆在某个地方；去过某个地方
6、could have done───本来能做成的（却没做成）
7、have been there───亲眼看到；直接了解；全都知道；曾到过那里；全都知道， 直接了解， 亲眼看到
8、l have been───我一直
9、have been dead───已经死了
1、The accident could have been avoided.───这个事故本来是可以避免的。
2、Those blows to the head could have been delivered by a woman.───头上挨的那些打可能是一个女人所为。
3、It hit me right near my temple and doctors told me that if the pellet had gone slightly to the right or left, I could have been killed.───ZiDan打在我右侧的太阳穴附近，医生告诉我如果ZiDan再稍微往右或左偏一点的话，我就没命了。
4、Asked how estimates could have been so far off, Dr. DeLay said, 'The data are tough to get. '───当被问及为什么估计数量会有如此大的偏差时，戴雷尔表示，数据采集难度很大。
5、Obviously if I had scored before, it could have been a bigger help for the team and it would have been another game.───很显然，如果我之前能进球，对球队就会是更大的帮助。
6、The job could have been Deschamps', though, as he was among the early front runners for the post.───其实德商在一早就领先其他的竞争者了，红军教练职位本来应该是他的。
7、We sat and drank with the sun on our shoulders and felt like free men. We could have been tarring the roof of one of our own houses.───我们坐着，喝着啤酒，阳光就照在我们肩上，感觉像个自由人，能为自家的屋顶铺沥青。
8、It was not immediately clear what caused the vessel to sink. Officials say severe weather and high seas could have been a factor.───目前还不清楚渡轮沉没的原因，有关官员说，可能是恶劣的天气和巨浪造成的。
9、You could have been killed!───你本可能被杀了。
1、It could have been worse.
2、The accident could have been much worse; luckily no harm was done.
3、He could have been lying injured on the moors after a fall from his horse.
4、The accident could have been avoided.
5、Nothing could have been more annoying.
6、The dead men could have been the victims of mistaken identity. Their attackers may have wrongly believed them to be soldiers.
7、She doubted that the accident could have been avoided.
8、The tragedy could have been averted if the crew had followed safety procedures.
9、It's not funny! Someone could have been hurt.