Are these correct?

[MoHammaD_93]

* I'm trying to use to do -sth-.
* I will use to do -sth-.
* I will be used to doing -sth-.

Thanks in Advance.
Mohammad

[Gillnetter]

* I'm trying to use to do -sth-.
* I will use to do -sth-.
* I will be used to doing -sth-.

Thanks in Advance.
Mohammad

To use is to employ, as in using a tool.
I'm trying to use a rasp to reduce the size of the wood.
I will use a rasp to reduce the size of the wood.

"I am used to" has a different meaning - this means that I am familiar with something. I am used to the noise of the ocean.

[chester_100]

* I will be used to doing -sth-.

Thanks in Advance.
Mohammad

Yes, It can mean:

1. Not to be sensitive to a stimulator anymore (for human perception)
2. Get accustomed to something (developing habits)