Looking on the internet deeply has found these results:

they all clear is the most popular phrase on the web.

they all cleared 1329,000 results on the web	they all clear 1591,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Tell Silver it's important we wait until they've all cleared the tunnel before we make any kind of move. They cleared all but that patch over there. They were all cleared months ago. They all cleared out pretty quickly after it all went down. They were all cleared months ago. They all cleared out pretty quickly after it all went down. But they cleared all my parolees. They've all been cleared of the vermin, and they're each paying $5,000 to be here for two days.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

they all cleared

1329,000 results on the web

they all clear

1591,000 results on the web

More popular!

Tell Silver it's important we wait until they've all cleared the tunnel before we make any kind of move.
They cleared all but that patch over there.
They were all cleared months ago.
They all cleared out pretty quickly after it all went down.
They were all cleared months ago.
They all cleared out pretty quickly after it all went down.
But they cleared all my parolees.
They've all been cleared of the vermin, and they're each paying $5,000 to be here for two days.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.