您要查找的是不是：
- Need they be redesigned? 它们需要重新设计吗?
- Need they have done it yesterday? 他们昨天做这事有必要吗？
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Need they have done it last week? 他们上周就做了这事有必要吗?
- Will they be able to finish the work come the end of this year? 当今年年底来到时，他们能够完成这件工作吗？
- These pants need to be altered, they are too long. 这条裤子得修改,太长了。
- They were supposed to be here an hour ago. 他们应该在一小时以前到达这里。
- They are scared that the ship might be wrecked. 他们怕船失事。
- In every game they were bested by their opponents. 每一场比赛他们都被对方击败。
- People get rude and whiny when they are exhausted. 人们在精疲力竭的时候会变得粗野，爱发牢骚。
- Never need they to pursue the so-called "pure American English". 他们也从来不需要去追求什么“纯正的美式口语”。
- They were taking turns to be on the night shift. 他们轮流做夜班。
- From something he let fall, I believe they are planning to redesign the machine. 从他透露的话里看，我想他们是打算重新设计这台机器。
- They were held captive by masked gunmen. 他们被蒙面的持枪歹徒劫持了。
- They are going to move to a new house next week. 下星期他们将迁入新居。
- They are there for the reason you need them to be. 这也是你需要他们的原因。
- They are hoping for a small diminution in taxes. 他们希望税捐略微减少。
- They were pinioned against the wall by the lorry. 那辆卡车把他们挤到墙根动弹不得。
- They are the most dependable of all. 他们是最为可靠的。
- Now they are ready for the steeple chase. 现在他们已准备好进行障碍赛跑。
