"they've" in Chinese (Simplified)
他们已经他们有
Definition
“They've”是“they have”的缩写。可以表示“他们已经”（完成时的助动词）或“他们有”（拥有）。
Usage Notes (Chinese (Simplified))
“They've”多用于口语或非正式书写。它既表示完成时的“他们已经”，也可表示“他们有”（拥有），但不用于强调。正式场合要避免使用。
Examples
They've finished their homework.
**他们已经**完成了作业。
They've got two dogs.
**他们有**两只狗。
They've lived here for years.
**他们已经**在这里住了好多年。
They've never seen snow before.
**他们以前从来没有**见过雪。
They've got to hurry or they'll miss the bus.
**他们得**快点，否则他们会错过公交车。
I can't believe how much they've changed.
我简直不敢相信**他们变了**这么多。