Looking on the internet deeply has found these results:

to be used is the most popular phrase on the web.

to be used as 16,970,000 results on the web	to be used 16,460,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Feb 19, 2016 ... To my daughter: Urban Dictionary is not to be used as a school research source (i.imgur.com). submitted 1 month ago by HalBriston. In Haig's presence, Kissinger referred pointedly to military men as "dumb, stupid animals to be used" as pawns for foreign policy. Kissinger often took up a post�... Mar 4, 2016 ... A century before it began to be used as the name of a bright yellow bird (native to the Canary Islands), the canary was a lively dance (native to�... to \| be \| used \| as � to be used as � in Verwendung sein als � to be used as ... als ... verwendet werden � to be used as a stopgap � den L�ckenb��er spielen�...	You just saw something to be used and discarded. The decorations are designed in 6 different patterns, to be used individually or as patchwork. Only to be used out of absolute necessity. Money to be used for neuroprosthetics, nanotechnology. A building to be used for prayer. A piece of flesh to be used. They've asked for some clips to be used at the ceremony. Requires no deep knowledge of monitoring software to be used.

to be used as

16,970,000 results on the web

to be used

16,460,000,000 results on the web

More popular!

Feb 19, 2016 ... To my daughter: Urban Dictionary is *not* to be used as a school research source (i.imgur.com). submitted 1 month ago by HalBriston.
In Haig's presence, Kissinger referred pointedly to military men as "dumb, stupid animals to be used" as pawns for foreign policy. Kissinger often took up a post�...
Mar 4, 2016 ... A century before it began to be used as the name of a bright yellow bird (native to the Canary Islands), the canary was a lively dance (native to�...
to | be | used | as � to be used as � in Verwendung sein als � to be used as ... als ... verwendet werden � to be used as a stopgap � den L�ckenb��er spielen�...

You just saw something to be used and discarded.
The decorations are designed in 6 different patterns, to be used individually or as patchwork.
Only to be used out of absolute necessity.
Money to be used for neuroprosthetics, nanotechnology.
A building to be used for prayer.
A piece of flesh to be used.
They've asked for some clips to be used at the ceremony.
Requires no deep knowledge of monitoring software to be used.