您要查找的是不是：
- They have been planting trees. 他们在种树。
- They have been ashore for two hours. 他们上岸已经两个小时了。
- Flowers soon faded when they have been cut. 花剪下后很快就会枯萎。
- Lately they have been getting into hard rock. 近来他们一直热衷于演奏硬派摇滚。
- They have been good friends since then. 从那时起他们就一直是好朋友。
- Apple trees had been introduced here only thirty or forty years before, and it was not until after Liberation, particularly in the last few years that they had begun to be planted on a large scale. 人们告诉我六十年前，这儿是一片荒凉的沙滩，栽植苹果，只不过是近三四十年的事情，大规模发展，却是在解放之后，而尤其是近几年来。
- But now they have been adapted for use as storehouses or granaries. 不过现在它们已经被改建，用作库房或粮仓了。
- They have been scheming to overthrow the government. 他们一直在策划推翻政府。
- They have been herding cattle on the plateau for generations. 他们世世代代在这高原上放牧。
- They have been having a rough time recently. 他们近来的日子很不好过。
- Trees which have been cut down cannot be used until they have been weathered . 砍下的木材晾干之后才能使用。
- I know they have been discussing me with you. 我知道他们和你在议论我。
- They have been in mire for the some time. 他们陷入困境已有一段时间了。
- They had been friends to the last. 他们始终是好朋友。
- They had been eating away for two hours. 他们已经吃了两个小时,还在吃。
- They have been on familiar terms for a long time. 他们已经相好好久了。
- Trees which have been cut down cannot be used until they have been weathered. 砍下的木材晾干之后才能使用。
- It licked me to think they had been hid away for such a long time. 我真不明白它们怎么会被隐藏了这么久。
- They have been good friends since childhood. 他们自幼就是好朋友。
- They have been carrying on for some months now. 他们之间拉拉扯扯已达数月之久了。
