1:Using A makes it possible to do B
A and B are both nouns,and you can trade them for any noun you want.
For example, using a telescope makes it posiible to see things that are far away in the universe。
2: It does not matter whether A or B happens , C will happen.
Here is an example:
It does not matter whether it is rain or shine, the journey will happen。
3: A does B to get C, with C to get D
For example:
Alex studies hard to get good grades with which to apply for university.
4: A though B,has effect C
Palying video games,though great for fun,can be bad if you play too often.
5: A is B from which you get C
Computers are a tool from which you can get a lot of information.
6:Because of its effect on A, B is something I no longer use.
Because of its irritating effect on my skin, this moisturizer is someting I no longer use.
7:In order for A to get B, it is going to have to do C
In order for me to get a good grade on this exam,I am going to have to study hard.