Looking on the internet deeply has found these results:

they are is the most popular phrase on the web.

they're 11,180,000,000 results on the web	they are 12,170,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
And predictably, they're dragging. These screens, they're monitoring something. Impressive, considering they're vegetative. Charlie, they're just roadkill heads. So maybe they're doing it alphabetical. Anyway, they're a species of concern in California. Actually, they're more freeform. Because they're profiling two different killers.	Secondly, they are suffering massive discrimination. Because no matter how painful they are, they are our most valuable possessions. Bring our brothers what they are owed. I maintain that they are not representative. I think that this shepherd chooses them very carefully for who they are, what they are. Although they are of sound mind, they are compelled to attend educational institutions established for those with developmental handicaps. I have queijadas, they are Portuguese tarts, and they are fantastic. Viruses and viroids should be considered as viable residues since they are capable of transferring genetic material, although strictly speaking they are not living.

they're

11,180,000,000 results on the web

they are

12,170,000,000 results on the web

More popular!

Secondly, they are suffering massive discrimination.
Because no matter how painful they are, they are our most valuable possessions.
Bring our brothers what they are owed.
I maintain that they are not representative.
I think that this shepherd chooses them very carefully for who they are, what they are.
Although they are of sound mind, they are compelled to attend educational institutions established for those with developmental handicaps.
I have queijadas, they are Portuguese tarts, and they are fantastic.
Viruses and viroids should be considered as viable residues since they are capable of transferring genetic material, although strictly speaking they are not living.